Generated by All in One SEO v4.9.8, this is an llms.txt file, used by LLMs to index the site.

# Dan Brown and Associates, LLC

Specialists in Deep Foundation Design, Construction, and Testing and Slope Stability Problems

## Sitemaps

- [XML Sitemap](https://danbrownandassociates.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Lifting and Repairing the SR-67 Bridge in Elizabethton TN after Hurricane Helene](https://danbrownandassociates.com/lifting-and-repairing-the-sr-67-bridge-in-elizabethton-tn-after-hurricane-helene/) - Post Authored by Adam Blazejowski, P.E. of DBA In late September 2024, the State Route 67 bridge in Elizabethton, Tennessee was damaged during Hurricane Helene and rendered unsafe for public use. The large storm flow in the Doe River undermined the pier footings and caused the upstream side of the bridge to settle between 4
- [Hybrid Ground Improvement System for Liquefaction and Settlement Mitigation](https://danbrownandassociates.com/hybrid-ground-improvement-system-for-liquefaction-and-settlement-mitigation/) - Malcolm Drilling, Inc. and Dan Brown and Associates, LLC were the design-build team for a hybrid ground improvement system consisting of vibro-stone columns (VSC) and cutter soil mixing (CSM) panel grids to mitigate liquefaction and achieve target settlement performance criteria for a mixed-use development in Santa Cruz, California. The development is being done by the
- [Happy Karl Terzaghi's Birthday 2024](https://danbrownandassociates.com/happy-karl-terzaghis-birthday-2024/) - Happy Karl Terzaghi’s Birthday! Yes, today is the 141st anniversary of the birth of the man considered The Father of Modern Soil Mechanics! It has been a couple of years since I have posted a Happy Terzaghi’s Birthday note. Life – both inside and outside work – sometimes has a way of derailing us from
- [Papers Added from Tim Siegel](https://danbrownandassociates.com/papers-added-from-tim-siegel/) - I have added most of Tim’s published technical papers to our on line library. Most of Tim’s published works cover topics such as karst terrain, ground improvement, and augered cast-in-place piles. Links to each paper are below and on the Publications page. Siegel, T.C. and McGillivary, A. (2009). “Interpreted Residual Load in an Augered Cast-in-Place
- [Technical Paper Library at DBA](https://danbrownandassociates.com/technical-paper-library-at-dba/) - We are continuing to build our library of technical papers authored by DBA principals under the Publications page of this site. These papers are placed here to aid in research and understanding of deep foundations, including drilled shafts, driven piles, and drilled piles. All applicable copyright laws and rights apply. It will take some time
- [2004 Technical Papers posted](https://danbrownandassociates.com/2004-technical-papers-posted/) - These papers from 2004 have been added to our library. Papers from 2005 are here, 2006 are here. Brown, D.A., 2004. "Recipe for Success with Drilled Shaft Concrete," Foundation Drilling Magazine, Nov., pp. 16-24. Brown, D.A., 2004. "Zen and the Art of Drilled Shaft Construction: The Pursuit of Quality,"Invited keynote lecture and paper, Geotechnical
- [2005 Technical Papers](https://danbrownandassociates.com/2005-technical-papers/) - These papers from 2005 have been added. Recent posts from 2004 are here. Recent posts from 2006 are here. Brown, D.A., 2005. "Practical Considerations in the Selection and Use of Continuous Flight Auger and Drilled Displacement Piles," Geotechnical Special Publication No. 132, ASCE, pp. 1-11. Brown, D.A. and Schindler, A., 2005. "The Use of
- [Dan's High Performance Concrete paper from GeoDenver is posted](https://danbrownandassociates.com/dans-high-performance-concrete-paper-from-geodenver-is-posted/) - I have added Dan's recent paper from the Geo-Institute's GeoDenver 2007 meeting to the site. This paper is on high performance concrete in drilled shaft construction and was written with Dr. Anton Schindler of Auburn University. Problems associated with concrete in drilled shafts are discussed, including workability of concrete and congested reinforcing cages. Several case
- [Tip grouting research paper added to site](https://danbrownandassociates.com/tip-grouting-research-paper-added-to-site/) - I have added a paper on tip-grouting of drilled shafts to the site. Steve was coauthor with Dr. Gray Mullins, P.E. and Danny Winters of the University of South Florida. The paper was published in the April edition of the ASCE Journal of Geotechnical and Geoenvironmental Engineering. Mullins, G., Winters, D., and Dapp, S., 2006.
- [Drilled foundation construction in the Piedmont - Dan's 2002 paper from JGGE](https://danbrownandassociates.com/drilled-foundation-construction-in-the-piedmont-dans-2002-paper-from-jgge/) - Dan's paper from the December, 2002 issue of the ASCE Journal of Geotechnical and Geoenvironmental Engineering has been added to our Publications page. Brown, D.A., 2002. "Effect of Construction on Axial Capacity of Drilled Foundations in Piedmont Soils," Journal of Geotechnical and Geoenvironmental Engineering, Volume 128, No. 12, ASCE, pp967-973. Technorati : Deep Foundations, Drilled
- [New Geotechnical Special Publication honoring Dr. John Schmertmann](https://danbrownandassociates.com/new-geotechnical-special-publication-honoring-dr-john-schmertmann/) - The American Society of Civil Engineers has just published Geotechnical Special Publication (GSP) No. 180: From Research to Practice in Geotechnical Engineering. This book includes 16 papers from the career of Dr. Schmertmann and 28 invited papers on various topics. From Research to Practice in Geotechnical Engineering, GSP 180, honors Dr. John H. Schmertmann, Professor
- [New publications added](https://danbrownandassociates.com/new-publications-added/) - Here are the latest publication I have added to our Publication Page: Brown, D.A. and Thompson, W.R. 2008. "Performance of Drilled Shafts in Cemented Calcareous Formations in the Southeast", Foundation Drilling, Vol. 29, No.3 March/April 2008 Brown, D.A. and Thompson, W.R., 2008. "BRF-00008(536) Drilled Shaft Load Test Assessment, Sumter County", Report for the Alabama Department
- [New Publications and Presentations – KDOT Wall Report, Ground Improvement Paper, and Drilled Shaft Presentations](https://danbrownandassociates.com/new-publications-and-presentations-kdot-wall-report-ground-improvement-paper-and-drilled-shaft-presentations/) - I have added some publications and presentations to the site – trying to catch up on things here. The report of the lateral load tests on drilled shafts and an MSE wall for KDOT has been published. My post on this project is here. Dr. Bob Parsons at University of Kansas was the principal researcher.
- [IFCEE 09 Wrap-up and Papers Posted](https://danbrownandassociates.com/ifcee-09-wrap-up-and-papers-posted/) - Last week’s International Foundation Congress and Equipment Exposition was a huge success! Dan gave a keynote address on Tuesday on managing risk in deep foundations within the design-build delivery model. Paul, Erik, and I also had papers to present. The technical sessions were excellent, the indoor exhibits were excellent, and the outdoor exhibits of foundation
- [Soil Inclusions in Jet Grout Columns – DFI Journal Volume 3, May 2009](https://danbrownandassociates.com/soil-inclusions-in-jet-grout-columns-dfi-journal-volume-3-may-2009/) - Paul was a co-author of another paper on jet grout columns based on a project at Tuttle Creek Dam near Manhattan, Kansas. This was a project Paul worked on when he was with the Corp of Engineers (Kansas City District). The extensive work performed at the site is yielding a lot of valuable information for
- [Biloxi Bay Bridge Test Pile Program – DFI Journal Volume 3, May 2009](https://danbrownandassociates.com/biloxi-bay-bridge-test-pile-program-dfi-journal-volume-3-may-2009/) - Robert’s paper with Lloyd Held (retired from Eustis Engineering) and Steve Saye of Kiewit Engineering Company on the Biloxi Bay Bridge test pile program has been published in the latest issue of the DFI Journal, published by the Deep Foundations Institute. A total of 22 indicator piles were installed on the project using
- [kcICON Bridge Paper Added](https://danbrownandassociates.com/kcicon-bridge-paper-added/) - I have added the paper that we wrote and Dan presented at the Deep Foundations Institute 34th Annual Conference on Deep Foundations that was held in Kansas City, MO late last month. The paper highlights how the design-build process was successful in the design and construction of the large diameter drilled shafts supporting the
- [34th Annual DFI Conference – DBA photos!](https://danbrownandassociates.com/34th-annual-dfi-conference-dba-photos/) - Dan, Paul and Erik were at the 34th Deep Foundations Institute Annual Conference in Kansas City last month. Dan was one of the keynote speakers where he presented our paper on the drilled shafts for the Missouri River Bridge on the kcICON project in Kansas City. Paul was also able to receive the Special Recognition
- [Characterization of Loess for Deep Foundations](https://danbrownandassociates.com/characterization-of-loess-for-deep-foundations/) - I have added a recent paper that Dan and Steve contributed to concerning loess that is in the November, 2009 issue of the DFI Journal. The paper describes the results of site investigation and laboratory tests at a site in Kansas with loess deposits. The effectiveness of various correlations between field and laboratory tests
- [Geo-Florida 2010 Papers posted](https://danbrownandassociates.com/geo-florida-2010-papers-posted/) - Papers by Dan, Steve, and Tim that were included in the GeoFlorida 2010 conference have been uploaded to our Publications page. Dan and Steve co-authored a paper on the test program of the base grouted drilled shafts for the Audubon Bridge. Tim co-authored a paper with Willie NeSmith of Berkel and Company Contractors,
- [Dan Brown Profiled in DFI Magazine](https://danbrownandassociates.com/dan-brown-profiled-in-dfi-magazine/) - The Winter 2011 issue of Deep Foundations features Dan in its “People, Projects and Equipment” column. Virginia Fairweather with DFI talked to several folks in the geotechnical engineering community to learn about Dan, including yours truly. If you are interested in getting a glimpse inside the man who is Dr. Dan Brown, just check out
- [Technical Note on ACIP Pile Load Testing](https://danbrownandassociates.com/technical-note-on-acip-pile-load-testing/) - A technical note by Tim that appeared in the December 2010 issue of the DFI Journal has been added to our publications page. Tim’s note examines some issues related to axial load testing of augered cast-in-place (ACIP) piles, also know as augercast piles or CFA piles, that are not covered in ASTM D 1143/D 1143M-07
- [Drilled Shaft Article by Dan in Geo-Strata](https://danbrownandassociates.com/drilled-shaft-article-by-dan-in-geo-strata/) - Constructability Considerations When Designing Drilled Shaft Foundations for Bridges The May/June 2011 issue of ASCE’s Geo-Strata focuses on bridge geotechnics. Dan contributed an article to this issue summarizing key constructability considerations for bridge drilled shaft designers. Specifically, the article focuses on fresh concrete properties and reinforcement design. Discussion of self consolidating concrete (SCC) and column-shaft
- [Simplified Settlement Model–DFI Journal Technical Note by Tim Siegel](https://danbrownandassociates.com/simplified-settlement-modeldfi-journal-technical-note-by-tim-siegel/) - Tim has authored a Technical Note in the most recent issue (June 2011) of the DFI Journal. The note is entitled “Simplified Settlement Model for a Shallow Foundation on Composite Ground with Rigid Piles”. From the Abstract: A piled raft refers to a shallow foundation that is structurally connected to the piles, while composite ground
- [DBA at DFI 36th Annual Meeting–Photos and Links](https://danbrownandassociates.com/dba-at-dfi-36th-annual-meetingphotos-and-links/) - DFI held its 36th Annual Meeting October 18-21 in Boston, including the annual awards banquet. Dan was honored with the 2011 Distinguished Service Award at the banquet. The Christopher S. Bond Bridge in Kansas City, MO was honored with a Special Recognition award (one of 5 runners-up for the Outstanding Project Award). Photos of DBA
- [I-70 St. Louis Bridge–New Papers by Paul and Dan](https://danbrownandassociates.com/i-70-st-louis-bridgenew-papers-by-paul-and-dan/) - The drilled shaft foundations for the new I-70 Mississippi River Bridge in St. Louis, MO are the subject of two recent papers written by Paul and Dan and published by DFI. Dan presented the paper focusing on the Alternate Technical Concept (ATC) process at the DFI 36th Annual Conference in October. (previous post here). A
- [Hyperbolic P-Y Model from Lateral Load Tests in Loess Soils](https://danbrownandassociates.com/hyperbolic-p-y-model-from-lateral-load-tests-in-loess-soils/) - Another paper featured in the December 2011 issue of the DFI Journal was authored by Steve and Dan, along with Dr. Bob Parsons at the University of Kansas. Dapp, S.D., Brown, D.A., and Parsons, R.L. (2011). “Hyperbolic P-Y Model for Static and Cyclic Lateral Loading Derived from Full-Scale Lateral Load Tesing in Cemented Loess Soils”,
- [GeoCongress 2012–Dan Gives A SOP Lecture; John Turner paper published](https://danbrownandassociates.com/geocongress-2012dan-gives-a-sop-lecture-john-turner-paper-published/) - GeoCongress 2012, Oakland, California In addition to the ADSC EXPO 2012 earlier in March (see post here), the annual Geo-Institute meeting for 2012, GeoCongress 2012 , was held later in the month in Oakland, California. The conference featured a very large technical program with a variety of tracks covering geotechnical engineering topics. There were also
- [NEW PUBLICATIONS ADDED AND UPDATES TO THE WEBSITE](https://danbrownandassociates.com/new-publications-added-and-updates-to-the-website/) - It’s been a while since we have updated everyone on some of the various publications we have added to our website, so I wanted to provide a few links to some of the newer additions to our Publications tab. One magazine that members of DBA contribute to fairly regularly is Geostrata Magazine. The Geostrata Magazine
- [DFI Publishes Landslide Stabilization and Excavation Support Report](https://danbrownandassociates.com/dfi-publishes-landslide-stabilization-and-excavation-support-report/) - The Deep Foundations Institute (DFI) has just published a new report entitled "Guidance for Factoring Deep Foundation Structural Resistance for Landslide Stabilization and Excavation Support", Final Report, CPF-2017-LAND-1 . The authors are our very own Ben Turner, Dan Ding, Erik Loehr, and Paul Axtell. To borrow from the authors' introduction: This report provides guidance for
- [Early Statnamic Lateral Load Test Paper by Dan](https://danbrownandassociates.com/early-statnamic-lateral-load-test-paper-by-dan/) - While at the 2012 Geo-Congress I purchased a couple of books at the ASCE bookstore. One was GSP 88: Analysis, Design, Construction and Testing of Deep Foundations, Proceedings of the OTRC ‘99 Conference. There are several interesting papers in the GSP, including an early paper by Dan on lateral Statnamic testing. A full scale lateral
- [Mike Holloway SuperPile 2012 Presentation](https://danbrownandassociates.com/mike-holloway-superpile-2012-presentation/) - We have added Mike Holloway’s presentation at DFI SuperPile 2012 on May 17, 2012 to our Presentations Page. Mike discussed some of the issues related to pile testing and what can influence the blow counts that are often relied upon to accept piles. He covered the types of testing, limitations of various methods, and issues
- [Tim Siegel paper in Fellenius GSP](https://danbrownandassociates.com/tim-siegel-paper-in-fellenius-gsp/) - Our own Tim Siegel, P.E., G.E., D.GE. was one of a handful of people invited to submit papers for the recently published Geotechnical Special Publication (GSP) No. 227: Full-Scale Testing and Foundation Design (Honoring Bengt H. Fellenius). Tim’s paper is on testing of augered cast-in-place piles. Four piles were installed with varying auger rotations and
- [Dan Brown Selected for 2012 DFI Osterberg Lecture](https://danbrownandassociates.com/dan-brown-selected-for-2012-dfi-osterberg-lecture/) - Dan has been selected by the DFI Educational Trust to deliver the 4th Annual Osterberg Memorial Lecture. The lecture is given at a benefit dinner for the DFI Educational Trust Scholarship Funds. The dinner this year will be held in conjunction with the joint DFI-ADSC Seminar Drilled Shafts: Top to Bottom on September 12th in
- [Two New Technical Manuals From DFI](https://danbrownandassociates.com/dfi-announces-two-new-technical-manuals/) - The Deep Foundations Institute (DFI) has announced the publication of two new deep foundation reference manuals. Excerpts from the announcement for both manuals are below. Both manuals are available for order from DFI by clicking the links in the titles. Guideline for Interpretation of Nondestructive Integrity Testing of Augered Cast-in-Place and Drilled Displacement Piles DFI
- [Article by Dan in Geo-Strata](https://danbrownandassociates.com/article-by-dan-in-geo-strata/) - An article coauthored by Dan and Dr. Paul Mayne, P.E. of Georgia Tech on geotechnical engineering in the Piedmont appeared in the November/December issue of the Geo-Institute’s Geo-Strata Magazine. The four page piece includes a brief overview of Piedmont geology, a discussion on sampling and testing of Piedmont soil and rock, a description of some
- [DBA Engineers Coauthor Cover Story of Latest DFI Magazine](https://danbrownandassociates.com/dba-engineers-coauthor-cover-story-of-latest-dfi-magazine/) - Cover Image of the Hastings Mississippi River Arch Bridge The featured article in the July/August 2013 issue of Deep Foundations, the magazine of the Deep Foundations Institute, is coauthored by Dan, Paul, and Rich Lamb, P.E., of the Minnesota Department of Transportation (MnDOT). The article summarizes how load testing has been used successfully as part
- [NCHRP Report 697 - Design Guidelines for Increasing Lateral Resistance of Bridge Pile Foundations](https://danbrownandassociates.com/nchrp-report-697-design-guidelines-for-increasing-lateral-resistance-of-bridge-pile-foundations/) - We have added a link to the NCHRP Report No. 697 Design Guidelines for Increasing Lateral Resistance of Bridge Pile Foundations. This report was published in 2011 and authored by Kyle Rollins, Pd.D., P.E. of Brigham Young University and our own Dan Brown. Dr. Rollins is a Professor in Geotechnical Engineering specializing in earthquake engineering
- [NCHRP Synthesis 478 - Design and Load Testing of Large Diameter Open-Ended Driven Piles](https://danbrownandassociates.com/nchrp-synthesis-478-design-and-load-testing-of-large-diameter-open-ended-driven-piles/) - The Transportation Research Board (TRB) has released a synthesis report prepared by Dan and Robert on large diameter piles: NCHRP Synthesis 478, Design and Load Testing of Large Diameter Open-Ended Driven Piles. The report is a summary of the state of practice with regard to Large Diameter Open-Ended Piles (LDOEPs) in the transportation industry. We conducted a survey
- [DBA is growing again - welcome to Ali, Ben, and Mark!](https://danbrownandassociates.com/dba-is-growing-again-welcome-to-ali-ben-and-mark/) - Well, we are at it again. The first 5 months of 2016 have seen us add three new faces of the new website creator. So now, drum roll, please......... Ali Leib, E.I. Ali was a summer intern at DBA in 2014 and 2015 and joined us full time as a staff engineer in February. She
- [NCHRP Synthesis 547 - Advancements in Use of Geophysical Methods for Transportation Projects](https://danbrownandassociates.com/nchrp-synthesis-547-advancements-in-use-of-geophysical-methods-for-transportation-projects/) - The Transportation Research Board (TRB) has released a synthesis report prepared by Brent L. Rosenblad and Andrew Z. Boeckmann (Andy is now with DBA) on geophysical methods for transportation projects: NCHRP Synthesis 547, Advancements in Use of Geophysical Methods for Transportation Projects. The report is an updated summary of the state of practice with regard
- [NCHRP micropile study report published - NCHRP Report 989](https://danbrownandassociates.com/nchrp-micropile-study-report-published-nchrp-report-989/) - At long last, the report for the NCHRP micropile study performed by Erik, Dan D., and Andy is published. The report, Reliability-Based Geotechnical Resistance Factors for Axially Loaded Micropiles, is the result of a considerable research effort that aims to rework AASHTO’s micropile design methods. Highlights of the research tasks are listed below. Compile
- [FHWA GEC 15 (Foundation Acceptance) Now Published](https://danbrownandassociates.com/fhwa-gec-15-foundation-acceptance-now-published/) - FHWA has published (posted the PDF!) of Geotechnical Engineering Circular 015 - Acceptance Procedures for Structural Foundations of Transportation Structures. Work began on this in 2019 and was delayed due to COVID. Andy Boeckmann, Dan Brown, Erik Loehr, and John Turner of DBA are the authors. They worked hard with Silas Nichols and the team
- [Links to ASCE Research Library, ADSC Technical Library, and DFI Catalog added](https://danbrownandassociates.com/links-to-asce-research-library-and-adsc-technical-library-added/) - I have added links to the ADSC Technical Library, the ASCE Research Library, and the DFI Publications Catalog under our Geotechnical Resources section of the left sidebar. All three of these are sources for purchasing publications of interest in geotechnical engineering. The ADSC Technical Library, of course, focuses mostly on drilled foundations. The DFI Library
- [Mike Holloway in DFI Magazine](https://danbrownandassociates.com/mike-holloway-in-dfi-magazine/) - The July/August 2012 issue of Deep Foundations features one of our newest employees, Dr. Michael Holloway, in its “People, Projects and Equipment” section. The article, entitled “D. Michael Holloway: Strong Mind, Strong Personality,” follows Mike’s education and career as a geotechnical engineer from his “outrageous streak” in high school to his current position at DBA.
- [Welcome Aaron Leopold, P.E.!](https://danbrownandassociates.com/welcome-aaron-leopold-p-e/) - Aaron Leopold, P.E. joined the team this May with 8 years of geotechnical engineering experience. He received a BS and MS in Civil Engineering from the University of Illinois at Urbana-Champaign. His previous work at Shannon & Wilson mainly focused on the design and construction of deep foundations and retention systems. Aaron was often on
- [Welcome Adam blazejowski and frank russell!](https://danbrownandassociates.com/welcome-adam-blazejowski-and-frank-russell/) - We are starting 2022 with two new faces at DBA - a big welcome to Adam Blazejowski, EI and Frank Russell, EI. Both will be based in our office in Knoxville, Tennessee, but will soon be like the rest of us at DBA - traveling to interesting project sites all over the U.S. They will
- [DBA Helps MnDOT Manage Risk for Dam Site](https://danbrownandassociates.com/dba-helps-mndot-manage-risk-for-dam-site/) - DBA recently completed construction observation of pile driving and earthwork for TH-84 across Norway Brook in Pine River, MN. The structure may look like a run of the mill bridge, but the project was replete with geotechnical challenges associated with constructing a new bridge at the toe of an active dam. (We use “run of
- [PROJECT HIGHLIGHT: 30 CROSSING DESIGN-BUILD](https://danbrownandassociates.com/project-highlight-30-crossing-design-build/) - DBA is pleased to be part of the Kiewit Massman Construction (KMC) design-build team delivering the first transportation design-build project in the State of Arkansas, 30 Crossing. The project will improve traffic patterns and capacity along a 3-mile urban corridor of Interstate 30 from the Interstate 630 interchange south of downtown Little Rock to the Interstate 40
- [TRB paper by andy boeckmann and erik loehr  on Thermal  requirements for drilled shafts](https://danbrownandassociates.com/trr-paper-by-andy-boeckmann-on-thermal-requirements-for-drilled-shafts/) - Andy Boeckmann, Ph.D., P.E. (DBA Senior Engineer) and Erik Loehr, Ph.D., P.E. (DBA Senior Principal Engineer) have published a paper on the topic of thermal testing of drilled shafts in the Transportation Research Board (TRB) journal Transportation Research Record. Their co-author was Zakaria El-tayash of Burns & McDonnell. As the drilled shaft diameters have increased
- [Instrumentation at US 231 bridge and Slide](https://danbrownandassociates.com/instrumentation-at-us-231-bridge-and-slide/) - After successful design and construction of the US 231 emergency slide repair in Lacey’s Spring, Alabama, DBA shifted gears to install a state-of-the-art monitoring system for the project. The monitoring system allows DBA and ALDOT to remotely detect any movement of the drilled shafts, changes in groundwater levels, and movement of the slope, itself.
- [US 231 Emergency Slide Repair - Laceys Spring, Alabama](https://danbrownandassociates.com/us-231-emergency-slide-repair-laceys-spring-alabama/) - DBA had the great fortune to be working with the Alabama Department of Transportation (ALDOT) on a very interesting bridge project in Lacey’s Spring, Alabama just south of Huntsville, Alabama. On February 12 and 13, 2020 a large landslide occurred on SR-53 (US-231) at milepost 301.7 in Morgan County approximately 1.7 miles south of the
- [DBA Project Highlight: MoDOT I-44 Project Bridge Rebuild](https://danbrownandassociates.com/dba-project-highlight-modot-i-44-project-bridge-rebuild/) - I-44 Construction Aerial View; video courtesy of Emery Sapp & Sons DBA has partnered with bridge designer Parsons and prime contractor Emery Sapp & Sons on a design/build project in Southwest Missouri being administered by MoDOT. Design is complete and the project is in construction phase. The project involves replacing 13 bridges and rehabilitating another
- [DBA Announces Officer Transitions](https://danbrownandassociates.com/dba-announces-officer-transitions/) - DBA is excited to announce recent transitions within the company. Dan Brown, Ph.D., P.E., D.GE, is turning over the reigns of leadership to the next generation in the firm and stepping down as President. While stepping back from day-to-day management of the company, Dan will remain fully involved in technical aspects and client service in
- [DBA Grows - 2020 Edition!](https://danbrownandassociates.com/dba-grows-2020-edition/) - DBA is happy to announce our two latest additions to the team: Dan Ding, Ph.D., P.E. and Andy Boekmann, Ph.D., P.E. Dan joined us as a Project Engineer in October of 2019 while Andy came on board as a Senior Engineer in February of this year. Read a little bit about both of them below.
- [FHWA GEC 10 Update for 2018 Released!](https://danbrownandassociates.com/fhwa-gec-10-update-for-2018-released/) - UPDATE! Posting of the PDF to the FHWA Resource page has been delayed while the formatting issues noted below are worked out. CLICK HERE for a Final DRAFT for use until FINAL document is posted by FHWA. The long anticipated update to FHWA GEC 10 Drilled Shafts: Construction Procedures and Design Methods has finally been
- [2018 Tennessee Earthquake GEER Report](https://danbrownandassociates.com/2018-tennessee-earthquake-geer-report/) - Tim Siegel was one of four co-leaders of a Geotechnical Extreme Events Reconnaissance (GEER) team that investigated the impacts of the 2018 Tennessee Earthquake that occurred near Decatur, Tennessee on December 12, 2018. Among the team members were Ali Leib and Mark Madget. The team performed reconnaissance of the area around the epicenter of the
- [Pre-Bid Load Testing for the Mobile River Bridge and Bayway Public Private Partnership (P3) Project](https://danbrownandassociates.com/pre-bid-load-testing-for-the-mobile-river-bridge-and-bayway-public-private-partnership-p3-project/) - DBA has been fortunate to be involved as a consult to Alabama Department of Transportation (ALDOT) for the Mobile River Bridge and Bayway Project. This project represents Alabama’s largest ever investment for a single infrastructure project. The project includes a cable stayed bridge over the Mobile River and seven miles of bridge over Mobile Bay.
- [DBA staff additions for 2018 (and Earlier)](https://danbrownandassociates.com/dba-staff-additions-for-2018-and-earlier/) - It has been a busy time since our last post, so it is time to "catch up" on the growth of our staff over the last year or so since the last update. Here are the newest faces of DBA. You can find resumes on the About US - Other Engineers page. Cody Coonradt, E.I.
- [Dan Brown awarded A Golden Beaver](https://danbrownandassociates.com/dan-brown-awarded-a-golden-beaver/) - (One more catch-up on "older" news!) In January of 2018, Dan was awarded the coveted Golden Beaver Award in Engineering by The Beavers. The award was given at the 63rd Annual Golden Beavers Award Dinner on January 19, 2018 in Los Angeles. The Beavers is a social and honorary organization organized and managed by members
- [Foundations for the New Sacremento Entertainment and Sports Center](https://danbrownandassociates.com/foundations-for-the-new-sacremento-entertainment-and-sports-center/) - Contributed by Rob Saunders, P.E. - DBA DBA has been working on an exciting new project currently under construction in downtown Sacramento, California: the new Sacramento Arena, known as the Entertainment and Sports Center (ESC). The ESC will be a multi-use, publicly owned indoor arena. The Sacramento Kings will be the primary tenant and the arena is expected to host
- [Dan Inducted into the UT Austin Cockrell School Academy of Distinguished Alumni](https://danbrownandassociates.com/dan-inducted-into-the-ut-austin-cockrell-school-academy-of-distinguished-alumni/) - Seven alumni and one faculty member of the Cockrell School of Civil, Architectural, and Environmental Engineering at the University of Texas at Austin were recently inducted into the School’s Academy of Distinguished Alumni. Dan, who received his Ph.D from UT Austin in 1985, was recognized for his award wining research at Auburn and his distinguished
- [Replacing the 89 Year Old Sellwood Bridge](https://danbrownandassociates.com/replacing-the-89-year-old-sellwood-bridge/) - DBA has had the pleasure of working with T.Y. Lin and Slayden-Sundt JV in their effort to replace the Sellwood Bridge over the Willamette River in Multnomah County, Oregon, near Portland. Designed by Gustav Lindenthal, the existing Sellwood Bridge was constructed in 1925 to replace the Spokane Street Ferry, connecting the communities of Sellwood and
- [DBA blog now optimized for mobile devices](https://danbrownandassociates.com/dba-blog-now-optimized-for-mobile-devices/) - As part of our ongoing attempts to try to get in front of the technology pack (or at least not fall behind!), We’ve installed a WordPress plugin called WPTouch that allows for much faster optimized viewing of the this DBA blog when using the iPhone, iPod touch, Android (Google), BlackBerry and other touch-screen mobile devices.
- [DBA Technology Update: We're on LinkedIn!](https://danbrownandassociates.com/dba-technology-update-were-linkedin/) - Yes, technology fans, DBA is at it again. We are doing all we can to keep up with the ever changing world of social networks, business networks, and communicating via electronic media, we are even using my csgo boosting dot com to bring our business game up. To that end, DBA has a company page
- [Dr. Erik Loehr, P.E. Receives ADSC Award](https://danbrownandassociates.com/dr-erik-loehr-p-e-receives-adsc-award/) - Dr. Erik Loehr, P.E. was honored by the ADSC with the ADSC Outstanding Service Award, presented at the President’s Luncheon at their 2011 annual meeting in New Orleans, Louisiana (Feb 1 –5, 2011). The award recognized Erik’s research in the use of micropiles for slope stabilization and as foundations. From the March/April 2011 edition of
- [Ownensboro Hospital Ground Improvement Project Photos and Webcam Online](https://danbrownandassociates.com/ownensboro-hospital-ground-improvement-project-photos-and-webcam-online/) - Last spring, DBA designed a composite ground improvement system for a new hospital as part of the Owensboro, Kentucky, Medical Health System specializing in legal steroids, funded by roids co, although some people prefer not to take steroids so they can order Kratom online and other natural supplements that are good for the body. Numerous medications
- [Websites That ROCK!](https://danbrownandassociates.com/websites-that-rock/) - The blogosphere, as the world of blogging is sometimes called, is always changing as blogs come and go. A new one focusing on geology education is geologydegree.org. This is a new blog intended to promote the study of geology. A recent post called Geology Online: 105 Websites That Rock included our very own blog as
- [ADSC Load Test Research – Lawrenceville, GA Site – SCHEDULE UPDATE](https://danbrownandassociates.com/adsc-load-test-research-lawrenceville-ga-site-schedule-update/) - The planned second load test in the ADSC research project for rock sockets in the Southeastern U.S. is moving closer to execution. Bruce Long of Long Foundation Drilling Company provides this update: To Fellow Load Testers, We want to thank everyone who submitted questions or comments regarding the preliminary load test program submitted to us
- [DBA website gets an upgrade](https://danbrownandassociates.com/dba-website-gets-an-upgrade/) - We're almost done with an upgrade to our website. With more than 50% of our site traffic now coming from smartphones and tablets, we needed a responsive web design, i.e., one that provides "an optimal viewing experience—easy reading and navigation with a minimum of resizing, panning, and scrolling—across a wide range of devices (from mobile
- [Marinucci joins ADSC; PDCA solicits Project of the Year nominees; and other Geo News](https://danbrownandassociates.com/marinucci-joins-adsc-pdca-solicits-project-of-the-year-nominees-and-other-geo-news/) - Some items of note from the geo-industry…. First, Tony Marinucci, P.E. joins the staff at ADSC. Here is the release from ADSC highlighting Tony’s career and his new position. Marinucci Joins ADSC Staff We are pleased to report that Antonio Marinucci, P.E., MSCE, MBA, is joining the ADSC headquarters staff in a full-time capacity
- [Call for Papers - ASCE Geotechnical Special Publication to Honor Clyde Baker, Jr., P.E., S.E.](https://danbrownandassociates.com/call-for-papers-asce-geotechnical-special-publication-to-honor-clyde-baker-jr-pe-se/) - The Deep Foundations Committee of the Geo-institute of ASCE has announced that a Geotechnical Special Publication (GSP) will be issued in 2010 honoring the work of Clyde Baker, P.E., S.E.. A call for papers has been issued on the G-I website: The Geo-Institute is soliciting abstracts for technical papers to be considered for inclusion in
- [Deep Foundations Research](https://danbrownandassociates.com/deep-foundations-research/) - In the course of digging throughout the internet for data and information for a couple of projects using one of the best wifi routers, I came across some (relatively) recent research reports geared toward improving design of driven piles based on field testing. A report from The Illinois Center for Transportation at the University
- [Trial Drilled Shaft at Audubon Bridge](https://danbrownandassociates.com/trial-drilled-shaft-at-audubon-bridge/) - I made a visit on Thursday the 16th to the John James Audubon Bridge site on the St. Francisville side (east side) of the river. A trial shaft foundation was being constructed. The contractor had drilled a shaft excavation approximately 30 feet below the ground surface. A complete reinforcing cage was placed in the excavation
- [Driven Piles for New Orleans Levee Projects – Wrap Up](https://danbrownandassociates.com/driven-piles-in-new-orleans-wrap-up/) - Our support of Kiewit Engineering and two Kiewit joint ventures working on the flood control projects around New Orleans has completed. As part of our comprehensive hydration solution, we also want you to read the reviews to our water cooler machines. I posted on the support work we provided for the Gulf Intracoastal Waterway -
- [New DBA Staff Addition – plus, Dan “retires” from Auburn University](https://danbrownandassociates.com/new-dba-staff-addition-plus-dan-retires-from-auburn-university/) - Two items of note here: Aaron Hudson has joined DBA as a staff engineer. Aaron earned his B.S. in Civil Engineering from McNeese State University in Lake Charles, Louisiana. He was Dan’s last graduate student at Auburn, or will be as soon as he gets his thesis finished! He will complete the M.S. degree from
- [TH 53 Bridge Begins to Rise from the Ground](https://danbrownandassociates.com/th-53-bridge-begins-to-rise-from-the-ground/) - A lot has changed from a year ago at the TH 53 Bridge sight near Virginia, Minnesota. This time last year, the design-phase test pile program was wrapping up with three Statnamic load tests and we had just completed our initial geologic field investigation. Since then, significant excavation, rockfall protection, and foundation work has been completed.
- [Two Major Bridges in Minnesota Open to Traffic](https://danbrownandassociates.com/two-major-bridges-in-minnesota-open-to-traffic/) - Two DBA bridge projects in Minnesota opened to traffic recently. The St. Croix Crossing near Stillwater and the Highway 53 Relocation in Virginia. Both projects are milestones for MnDOT. The St. Croix Crossing is the first extradosed bridge in the Midwest and only the second extradosed bridge in the United States. The new Highway 53 Bridge
- [Merry Christmas and Happy 2017 from DBA!](https://danbrownandassociates.com/merry-christmas-and-happy-2017-from-dba/) - Wishing a Merry Christmas while wrapping our gifts and storing them in our Tippcontainere so nobody can get to them. And also a Happy New Year to all, especially the ones reading this post! Hopefully everyone can spend time with all of their families and loved ones to have a special evening this year, enjoy
- [Incredible Pictures of St Croix Crossing Construction](https://danbrownandassociates.com/incredible-pictures-of-st-croix-crossing-construction/) - Although foundation work has been complete at the St Croix Crossing project for quite some time now, MnDOT has recently posted some really amazing photos of the superstructure construction, or dome shelter of this huge bridge on the project site and Facebook page. The St Croix Crossing Bridge is an extradosed bridge, which is something of a cross
- [Barry Meyer, P.E. joins DBA!](https://danbrownandassociates.com/barry-meyer-p-e-joins-dba/) - We are pleased to announce that Barry J. Meyer, P.E., has joined DBA. Barry is a recognized expert in the design and construction of deep foundations. His over 30 years of geotechnical engineering experience includes time at McClelland Engineers in Houston where he designed large diameter high capacity driven piles for major offshore structures and
- [Goethals Bridge - Up and out of the ground](https://danbrownandassociates.com/goethals-bridge-up-and-out-of-the-ground/) - (Post and photos provided by John Turner, Ph.D., P.E., D.GE of DBA.) DBA has had the privilege to be the geotechnical/foundation engineer for the Goethals Bridge Replacement (GBR)Project, a design-build project for the Port Authority of New York & New Jersey (PANYNJ). The project will replace the existing Goethals Bridge that was built in the 1920s
- [Ground Breaking of New TH 53 Bridge in Minnesota](https://danbrownandassociates.com/ground-breaking-of-new-th-53-bridge-in-minnesota/) - TH 53 Bridge, artistic rendering courtesy of MnDOT The official groundbreaking for the Trunk Highway (TH) 53 Bridge and Relocation Project occurred last week at the project site in Virginia, Minnesota. The bridge, which is the main element of the project, will span the Rouchleau Iron Ore Mine Pit. The project is scheduled to be completed in a brisk two
- [DBA Engineers Perform "Extreme" Geologic Investigation](https://danbrownandassociates.com/dba-engineers-perform-extreme-geologic-investigation/) - DBA is currently working with structural designer Parsons to design what will be Minnesota's tallest bridge. The bridge will span the currently inactive Rouchleau open pit iron ore mine near Virginia, Minnesota. MnDOT is moving the alignment of the existing Hwy 53 to make way for future mining in the area. DBA is the lead geotechnical designer
- [Kansas City Load Test Photos Added](https://danbrownandassociates.com/kansas-city-load-test-photos-added/) - Last spring, DBA conducted a construction phase load test program for a U.S. Army Corps of Engineers floodwall improvement project along the Missouri River in Kansas City, Kansas. Located on property owned and maintained by the Kansas City Board of Public Utilities (BPU), the BPU floodwall was slated for structural improvements including a series of buttresses founded
- [Merry Christmas and Happy New Year from DBA](https://danbrownandassociates.com/merry-christmas-and-happy-new-year-from-dba-4/) - We wish everyone a very Merry Christmas and a very Happy New Year 2015!
- [New PEER Report - Evaluation of Collapse and Non-Collapse of Parallel Bridges Affected by Liquefaction and Lateral Spreading](https://danbrownandassociates.com/new-peer-report-evaluation-of-collapse-and-non-collapse-of-parallel-bridges-affected-by-liquefaction-and-lateral-spreading/) - Our own Ben Turner (future Dr. Turner!) was lead author on a report by the Pacific Earthquake Engineering Research Center (PEER) on liquefaction and lateral spreading effects on bridges. The report is titled "Evaluation of Collapse and Non-Collapse of Parallel Bridges Affected by Liquefaction and Lateral Spreading". Ben's coauthors are Dr. Scott J. Brandenberg and
- [Goethals Bridge Replacement - Webcam!](https://danbrownandassociates.com/goethals-bridge-replacement-webcam/) - DBA is on the design-build team that is replacing the Goethals Bridge for the Port Authority of New York and New Jersey (PANYNJ). We are not able to post much about the project or our involvement due to security agreements. However, the PANYNJ has a public website for the project (http://www.panynj.gov/bridges-tunnels/goethals-bridge-replacement.html) that has several webcams.
- [DBA Expands Again - Welcome Rob Saunders, P.E. and Ben Turner, P.E.!](https://danbrownandassociates.com/dba-expands-again-welcome-rob-saunders-p-e-and-ben-turner-p-e/) - DBA is please to announce the addition of two new members: Robert M. Saunders, P.E. and Ben Turner, P.E.
- [Contact Us form](https://danbrownandassociates.com/contact-us-form/) - The form on the Contact Us page is now working.
- [About Us updated](https://danbrownandassociates.com/13/) - Company information, including staff bios and recent projects added to the "About Us" page.
- [Welcome to Dan Brown and Associates, LLC](https://danbrownandassociates.com/welcome-to-dan-brown-and-associates-llc/) - Welcome to the website and weblog of Dan Brown and Associates, LLC. We are a consulting engineering firm specializing in geotechnical and foundation engineering, with emphasis on problem solving relating to foundation engineering and slope stability problems. Our staff has a wide range of experience in deep foundation analysis, design, construction, and testing, as well as
- [DBA on design-build team for New Mississippi River Bridge](https://danbrownandassociates.com/dba-on-design-build-team-for-new-mississippi-river-bridge/) - DBA is part of the design-build team that is the apparent successful proposer for the longest cable-stayed bridge in North America: the new Mississippi River Bridge connecting New Roads and St. Francisville, Louisiana. The bridge will formally be known as the John James Audubon Bridge and is the Louisiana DOTD’s first design-build project. The team
- [Final Draft of FHWA GEC No. 8 is in for review!](https://danbrownandassociates.com/final-draft-of-fhwa-gec-no-8-is-in-for-review/) - DBA has recently submitted the final draft of FHWA Geotechnical Circular No. 8 - Augered Cast-In-Place and Continuous Flight Auger Piles. The document is under final review by FHWA and should be released for publication late this year. This manual will provide the technical information for the selection, design, construction, and inspection of drilled piles
- [Presentations at the PDCA 10th Annual Conference](https://danbrownandassociates.com/pdcaconf/) - Dr. Dan Brown and Dr. Steve Dapp will be presenting at the PDCA 10th Anniversary Annual Conference at the Hilton Palacio Del Rio in San Antonio, Texas March 2 – 4, 2006. Dan will be presenting “Pile Set Up in Foundation Design” on Friday the 3rd. Dan’s presentation will provide an overview of the fundamental
- [ADSC Drilled Shaft Design and Construction Short Course- March 22-23, 2006 – Philadelphia, PA.](https://danbrownandassociates.com/25/) - Dr .Dan Brown, P.E. and Dr. Bill Isenhower, P.E. of ENSOFT, Inc. will be conducting a two-day short course on Drilled Shaft Design, Construction and Testing. The course is the second in a series produced by ADSC and ENSOFT, Inc. The program will cover drilled shaft design, specifications, QA and QC testing, and recommended construction
- [Speaker at 10th International Conference on Piling and Deep Foundations](https://danbrownandassociates.com/speaker-at-10th-international-conference-on-piling-and-deep-foundations/) - Dr. Dan Brown, P.E. will be speaking at the 10th International Conference on Piling and Deep Foundations organized by The Deep Foundations Institute (DFI) and the European Federation of Foundation Contractors (EFFC). The meeting will be held May 31st through June 2nd, 2006 in Amsterdam, The Netherlands.  Dan will also serve as moderator for a session
- [Drilling on the Mississippi](https://danbrownandassociates.com/drilling-on-the-mississippi/) - Exploratory soil drilling has begun for the John James Audubon Bridge near St. Francisville, LA. PSI is performing the drilling while I observe. The crew completed the borings for the West Pier on May 23rd. They will move to the East Pier after Memorial Day. A picture of the crew is on the left below,
- [DBA to work on US 90 Biloxi to Ocean Springs Bridge](https://danbrownandassociates.com/dba-to-work-on-us-90-biloxi-to-ocean-springs-bridge/) - DBA is working with the design-build team selected to re-construct the US 90 bridge between Biloxi and Ocean Springs, Mississippi. GC Constructors, AJV was awarded the project and is a joint venture of Massman Construction Company, Kiewit Southern, and Traylor Brothers, Inc. The geotechnical engineer for the project is Eustis Engineering of Metairie, LA. DBA
- [Papers from DFI Amsterdam conference are posted](https://danbrownandassociates.com/papers-from-dfi-amsterdam-conference-are-posted/) - We have posted our papers from the DFI amsterdam conference. Go to the post on the conference below and click the links to the papers, or go to the Publications Page of our site.
- [Audubon Bridge and US 90 Bridge Updates](https://danbrownandassociates.com/audubon-bridge-and-us-90-bridge-updates/) - DBA’s work on the John James Audubon Bridge in Louisiana continues to move forward. We have submitted our reports for the main river piers that include the recommended designs for post-grouted drilled shafts. Test shaft construction is scheduled for late August or early September for an Osterberg Cell (O-Cell) load test. Driving of indicator piles
- [Driving Indicator Piles in Biloxi Bay](https://danbrownandassociates.com/driving-indicator-piles-in-biloxi-bay/) - I made a visit to the US 90 Biloxi to Ocean Springs bridge site on Thursday and was able to observe the driving of one of the indicator piles. This is a 30-inch precast prestressed concrete pile that will also be used for a Statnamic lateral load test. The axial and lateral load tests will
- [Pile Load Tests on US 90 Biloxi to Ocean Springs](https://danbrownandassociates.com/pile-load-tests-on-us-90-biloxi-to-ocean-springs/) - The week of August 28th saw five load tests performed at the project site. A lateral Statnamic test and an axial Statnamic test were performed on both 24-inch and 30-inch piles. The tests were performed by AFT. A picture of one of the axial test setup is below. A static axial load tests was also
- [Publications Added to Site](https://danbrownandassociates.com/publications-added-to-site/) - We are beginning to add publications by our staff to the site. A link to the Publications Page of our site is at the top of our home page. We will be adding more papers in the coming weeks. Our goal is to make this site one of your resources for deep foundation and slope
- [Biloxi Bay Bridge project website is on-line](https://danbrownandassociates.com/biloxi-bay-bridge-project-website-is-on-line/) - The Mississippi Department of Transportation (MDOT) has created a project web site for the US 90 Bridge over Biloxi Bay. The web site (http://biloxibridge.com) has project updates, photos, design concepts, and information about the project. Powered by Zoundry
- [Drilled Shaft and Pile Foundation Presentations Scheduled for 2006 Southeastern Transportation Geotechnical Engineering Conference](https://danbrownandassociates.com/drilled-shaft-and-pile-foundation-presentations-scheduled-for-2006-southeastern-transportation-geotechnical-engineering-conference/) - Dr. Dan Brown, P.E. and Mr. Robert Thompson, P.E. are scheduled on the program for the 2006 Southeastern Transportation Geotechnical Engineering Conference in Florence, Alabama October 30th - November 3rd, 2006. This is the 38th STGEC meeting and is being hosted this year by the Alabama Department of Transportation. Dan will make two presentations: "High Performance
- [Geoengineer.org Website Link](https://danbrownandassociates.com/geoengineerorg-website-link/) - We have added a link in our Links section to Geoengineer.org, a website resource for geotechnical engineers. Resources include an on-line technical library and an on-line photo gallery/library. They have several new information servces, including the Geoengineer.org Press Center that has the latest news of articles and press releases of interest to geotechnical engineers, and
- [Happy Karl Terzaghi's Birthday!](https://danbrownandassociates.com/happy-karl-terzaghis-birthday-2/) - Today marks the 123rd year since the birth of the Father of Modern Soil Mechanics, the Sultan of Soils, an Engineer's Engineer: Karl Terzaghi! So let us raise our coffee mugs (or whatever vessel contains your morning beverage of choice) this morning in honor of the man that helped define what we do as a
- [Presentation handouts now available](https://danbrownandassociates.com/presentation-handouts-now-available/) - We will provide through this website Adobe PDF versions of handouts from presentations made by the DBA team at various conferences. These are being provided for information for folks who attended a presentation or heard about one and wanted to have better notes for future reference. The material may not be used for any other
- [STGEC 2006 presentations posted](https://danbrownandassociates.com/stgec-2006-presentations-posted/) - We have posted Adobe PDF handout versions of the presentations made by Dan, Steve, and Robert at the recent 2006 Southeastern Transportation Geotechnical Engineering Conference in Florence, Alabama. Dan spoke about high performance concrete for drilled shaft foundations, Steve spoke on the use of tip-grouted drilled shafts on the John James Audubon Bridge in Louisiana,
- [Coming soon](https://danbrownandassociates.com/coming-soon/) - The Dan Brown and Associates website and weblog will be up and running soon.
- [2006 Technical Papers](https://danbrownandassociates.com/2006-technical-papers/) - Two papers from this year have been added. Posts from 2005 are here, 2004 are here, and before 2004 are here. Brown, D.A., Thompson, W.R., and Nichols, S., 2006. "Performance Specifications for Drilled Piles," Proc. of 10th International Conference on Deep Foundations, Amsterdam. Dapp, S., Muchard, M., and Brown, D., 2006. "Experiences with Base Grouted
- [Link to Geotechnical Virtual Library](https://danbrownandassociates.com/link-to-geotechnical-virtual-library/) - We have established a link to another on-line resource for geotechnical engineers. The site includes the Geotechnical Virtual Library, the Electronic Journal of Geotechnical Engineering, and The Internet Geotechnical Engineering Magazine. The Library includes links to research libraries, university libraries, geotechnical consulting firms, and other resources. The Magazine has some interesting areas, including a Geotechnical
- [Merry Christmas from DBA!!!!](https://danbrownandassociates.com/merry-christmas-from-dba/) - Merry Christmas from all of us at Dan Brown and Associates!! We all look forward to a fun, exciting, and prosperous New Year!! Powered by Zoundry
- [Drilled Shaft Concrete talk by Dan at Geo-Denver 2007](https://danbrownandassociates.com/drilled-shaft-concrete-talk-by-dan-at-geo-denver-2007/) - Dan is scheduled to present a paper on High Performance Concrete and Drilled Shaft Construction at the annual Geo-Institute meeting Geo-Denver 2007. Dan's talk is scheduled in the New Technology for Drilled Shaft Construction session on February 19, 2007. Information on the meeting can be found HERE. This annual meeting is always full of great
- [Biloxi Bridge project update feeds](https://danbrownandassociates.com/biloxi-bridge-project-update-feeds/) - We have added an RSS feed from the Biloxi Bay Bridge web site linked to the construction updates. It will take you directly to the latest construction update on the bridge site. We'll have feeds to project websites and others of interest at the bottom of the left side bar. Technorati : Bridge Foundations, Driven
- [New links to conferences added; Project page updated](https://danbrownandassociates.com/new-links-to-conferences-added-project-page-updated/) - We have added some new features to the links on the left side of our page. One of these is a list of links to some upcoming conferences, meetings, and short courses of interest in the geotechnical engineering / deep foundations field. We also have a list of Dan's upcoming speaking appearances on the left
- [Dr. Dan Brown selected for 2nd Annual Mike O'Neill Lecture](https://danbrownandassociates.com/dr-dan-brown-selected-for-2nd-annual-mike-oneill-lecture/) - Dan has been selected to give the 2nd Annual Mike O'Neill Lecture at the CIGMAT 2007 Conference at the University of Houston, Texas. The lecture was instituted in honor and memory of Dr. Mike O'Neill of the University of Houston, one of the "heroes" of deep foundation engineering and research. CIGMAT is the Center for
- [Project Summary - AEC Lowman Riverbank Stabilization Project](https://danbrownandassociates.com/project-summary-aec-lowman-riverbank-stabilization-project/) - I have added a new project to our project list. DBA provided several key services for the AEC Charles R. Lowman Power Plant Riverbank Stabilization project. Erik and Dan developed a design that used 100 drilled shaft foundations to stabilize the riverbank and allow AEC to construct new air quality control improvements. The shafts are
- [Dr. Dan Brown co-chair of ADSC Civil Engineering Faculty Workshop scheduled for 2008](https://danbrownandassociates.com/dr-dan-brown-co-chair-of-adsc-civil-engineering-faculty-workshop-scheduled-for-2008/) - The ADSC has announced that Dan will co-chair their popular Civil Engineering Faculty Workshop in June, 2008 in Chattanooga, Tennessee. Allen Cadden, P.E., Director of Engineering and Vice President of Schnabel Engineering will be co-chair with Dan. The 5-day course includes full-scale field demonstrations of drilled foundations and earth retention technologies. A press release from
- [First Test Shaft Started at Audubon Bridge](https://danbrownandassociates.com/first-test-shaft-started-at-audubon-bridge/) - The first test shaft was begun recently at the John James Audubon Bridge in Louisiana. DBA's Steve Dapp, Ph.D., P.E. had the pleasure to make a site visit last week and this week to observe progress. The shaft is the first shaft to be excavated on the project and is at the west pier in
- [New Links Added](https://danbrownandassociates.com/new-links-added/) - We have added links to Pile Dynamics, Inc. and to the web site for the 8th International Conference on the Application of Stress Wave Theory to Piles, or Stress Wave 2008. Pile Dynamics, Inc. provides testing and monitoring systems for deep foundation construction and testing. Their sister company, GRL Engineers, Inc., provides deep foundation testing,
- [ADSC's Design and Construction of Drilled Shafts coming in May](https://danbrownandassociates.com/adscs-design-and-construction-of-drilled-shafts-coming-in-may/) - Dan will be one of the instructors at the ADSC Design and Construction of Drilled Shafts seminar May 18, 2007 in Columbus, Ohio. Information is here. Ron Erb, P.E., of BBCM Engineering will also be an instructor. Cooperating organizations include the ADSC Ohio Valley Chapter, ASFE, DFI, and the Geo-Institute of ASCE. Technorati : Deep
- [Link to GeoPrac.net added](https://danbrownandassociates.com/link-to-geopracnet-added/) - I have added a link to GeoPrac.net, a new website in the on-line geotechnical community, under our Geotechnical Resources side bar on the left. The site has been started by Randy Post, P.E. of NCS Consultants. From the site: "GeoPrac.net is a community site for practitioners of geotechnical engineering, geological engineering, engineering geology, hydrogeology and
- [PDCA Professors' Driven Pile Institute June 18-22, 2007](https://danbrownandassociates.com/pdca-professors-driven-pile-institute-june-18-22-2007/) - The PDCA is holding the Professors' Driven Pile Institute in Logan, Utah on June 18-22, 2007. This institute will provide information on design and construction of driven pile foundations for 25 professors that teach deep foundations courses at universities in the U.S. For more information on supporting this institute, click here to go to the
- [Dr. Steve Dapp lecturing at PDCA Professor's Driven Pile Institute](https://danbrownandassociates.com/dr-steve-dapp-lecturing-at-pdca-professors-driven-pile-institute/) - Steve will be one of the presenters at the PDCA Professor's Driven Pile Institute June 18th through 22nd at Utah State University. Steve's lecture will be comparing the capacity of driven piles to cast-in-situ piles. He will also be assisting with the axial and lateral load test demonstrations. For more information or to contribute to
- [Dan leads team updating the FHWA Drilled Shaft Manual](https://danbrownandassociates.com/dan-leads-team-updating-the-fhwa-drilled-shaft-manual/) - Dan is leading a technical team that is updating the FHWA drilled shaft manual "Drilled Shafts: Construction Procedures and Design Methods", FHWA Publication Number IF-99-025, by Dr. Michael W. O' Neil, P.E. and Dr. Lyman C. Reese, P.E.. The manual was first published in 1988. An updated version was published in 1999. A new edition
- [Publications on IGM (intermediate geomaterials) added to site](https://danbrownandassociates.com/publications-on-igm-intermediate-geomaterials-added-to-site/) - I have added a couple of publications to the site that cover intermediate geomaterials, or IGM. The first is a paper Dan and I published from my master's thesis in 1994 which I presented at the 25th Ohio River Valley Soils Seminar in Lexington, Kentucky.: The second one is a report of axial and lateral
- [Updated - GEC No. 8: Design and Construction of Continuous Flight Auger Piles - It's Finally Here!](https://danbrownandassociates.com/gec-no-8-design-and-construction-of-continuous-flight-auger-piles-its-finally-here/) - 11/30-07 Update! - GEC No. 8 is now up on the FHWA web site. You can download it here. Yes, folks, GEC 8 is finally complete! The publication version of Geotechnical Engineering Circular No.8: Design and Construction of Continuous Flight Auger Piles will soon be available from the FHWA Geotechnical Web Site. If you want
- [Link added to Loadtest, Inc.](https://danbrownandassociates.com/link-added-to-loadtest-inc/) - We have added a link to Loadtest, Inc.,developer of the Osterberg cell (now commonly called the O-cell) test device for drilled shaft and foundation load testing. They have been providing O-cells for the loadtests at the John James Audubon Bridge in Louisiana. Results of those tests will be published ion the near future. Technorati :
- [8th Annual PDCA DICEP Conference](https://danbrownandassociates.com/8th-annual-pdca-dicep-conference/) - The PDCA (Pile Driving Contractors Association) has scheduled their 8th Annual Design and Installation of Cost Efficient Piles conference for September 27, 2007 at the Turf Valley Resort in Ellicott City, Maryland. Click below to get more information or to register. Technorati : Deep Foundations, Driven Piles, Foundation Construction, Foundations, Geotechnical Engineering, Test Pile Powered
- [Added Link to International Society for Micropiles](https://danbrownandassociates.com/added-link-to-international-society-for-micropiles/) - I have added a link to the International Society for Micropiles in our links area. I have also linked the upcoming 8th International Workshop on Micropiles in Toronto, Ontario, Canada September 26-30. Technorati : Deep Foundations, Foundation Construction, Foundations, Geotechnical Engineering, Micropiles Powered by Zoundry
- [New Seminar Links Added to Upcoming Fall Events](https://danbrownandassociates.com/new-seminar-links-added-to-upcoimng-fall-events/) - There are a lot of seminars and workshops coming up this fall that should be of interest to geotechnical engineers and contractors. Seminar organizers include ADSC, DFI, and PDCA. The events are are: ADSC Anchored Earth Seminar - Anaheim, CA (November 7-9, 2007) DFI Piling Foundations Seminar - Cincinnati, OH (August 17, 2007) DFI Current
- [Dan to speak at ADSC Drilled Shaft Foundation Seminar](https://danbrownandassociates.com/dan-to-speak-at-adsc-drilled-shaft-foundation-seminar/) - Dan will be one of eleven speakers at the ADSC's Northeast Chapter Drilled Shaft Foundation Seminar. From the ADSC's August 2007 edition of The Hole Story: " The seminar will be held by the ADSC Northeast Chapter on November 14, in East Elmhurst, NY,at the Wyndham Garden Hotel, located at LaGuardia Airport. Eleven presenters drawn
- [Updated Fall Speaking Schedule for DBA](https://danbrownandassociates.com/updated-fall-speaking-schedule-for-dba/) - Here is an updated list of upcoming speaking events for September and October. September 20, 2007 James E. Roberts / Prof. Ben C. Gerwick, Jr. Memorial Bridge Conference ASCE Sacramento Section Sacramento, CA September 21, 2007 Current Trends in Foundations of Major Bridges Deep Foundations Institute Sacramento, CA Dan will speak on drilled shaft foundations
- [JJA Bridge in ENR.com article](https://danbrownandassociates.com/jja-bridge-in-enrcom-article/) - An article entitled "Historic Cable-Stayed Link Taking Shape in Louisiana" about the construction of the John James Audubon (JJA) Bridge in Louisiana is on ENR.com here. The drilled shafts actually extend much deeper than indicated in the article, for what its worth. I think they were only talking about the permanent casing, not the entire
- [Site Updates - Feeds and links added, new staff photo!](https://danbrownandassociates.com/site-updates-feeds-and-links-added-new-staff-photo/) - I have added a feed to the Geoprac.net blog site. I have also added a link to the latest issues of the Geoengineer.org newsletter. Both of these are on the right sidebar of the site. We finally got a picture of Steve for the "About Us" page of the site, for those of you that
- [Photo slideshow and album from JJA Bridge posted](https://danbrownandassociates.com/photo-slideshow-and-album-from-jja-bridge-posted/) - I have finally added some photos from the JJA Bridge project. Steve Dapp has accumulated quite a few in his trips to the site. I was finally able to find the write tools to make it work. The slide show and album links are on the JJA project page. You can also go straight to
- [Happy Karl Terzaghi's Birthday!!!](https://danbrownandassociates.com/happy-karl-terzaghis-birthday/) - Karl von Terzaghi (October 2, 1883 - October 25, 1963) Photograph From the World Wide Web of Geotechnical Engineering Hall of Fame (http://www.ejge.com/People/Terzaghi/Terzaghi.htm) Yes, my friends, another year has passed and it is once again that joyous day amongst geotechnical engineers and the geo-industry…Karl Terzaghi's Birthday! Today marks the 124th year since the birth of
- [New industry links added: Geoforum.com, USUCGER, news links for DFI, PDCA, ADSC](https://danbrownandassociates.com/new-industry-links-added-geoforumcom-usucger-news-links-for-dfi-pdca-adsc/) - We have added some new links to our page that will hopefully be helpful to you. Three links have been added to the left sidebars: geoforum.com, ISSMGE and USUCGER. On the right sidebar, links to e-newsletters, news releases, and other notes from geoforum.com, ISSMGE, DFI, PDCA, and ADSC have been added. Enjoy! geoforum.com is a
- [Designing Drilled Shafts in Loess - Article posted](https://danbrownandassociates.com/designing-drilled-shafts-in-loess-article-posted/) - I have added a copy of a recent article entiteld "Designing Drilled Shafts in Loess" that Dan was one of several co-authors in the August 2007 Edition of Foundation Drilling from the ADSC. The article is a preview of some research by the Kansas DOT through the University of Kansas on designing drilled shafts for
- [DBA on winning team for landmark bridge in Kansas City, MO!](https://danbrownandassociates.com/dba-on-winning-team-for-landmark-bridge-in-kansas-city-mo/) - DBA is part of the winning team for the kcICON project in Kansas City, Missouri. The $245 million project includes a new landmark bridge over the Missouri River. The winning joint venture is Passeo Corridor Constructors consisting of Massman Construction Company, Clarkson Construction Company, and Kiewit Construction. Parsons Transportation Group and Transystems are the major
- [International Foundation Congress & Equipment Expo 2009](https://danbrownandassociates.com/international-foundation-congress-equipment-expo-2009/) - A preliminary call for papers has been released for the International Foundation Congress and Equipment Expo 2009 (IFCEE '09) to be held in Orlando, Florida March 15-19, 2009. The meeting is a joint venture of The Geo-Institute of ASCE (GI), The International Association of Foundation Drilling (ADSC) and The Pile Driving Contractors Association (PDCA). Information
- [Lateral load tests of drilled shafts behind an MSE wall - research with KDOT and KU](https://danbrownandassociates.com/lateral-load-tests-of-drilled-shafts-behind-an-mse-wall-research-with-kdot-and-ku/) - DBA is part of a research project involving laterally loaded drilled shafts and MSE walls with the Kansas Department of Transportation (KDOT) and the University of Kansas. The ultimate goal of the study is to develop rational design procedures for situations where drilled shafts are constructed near or adjacent to MSE walls. From the study
- [Slope Stabilization Method with Micropiles - A report for the ADSC/DFI Joint Micropile Committee](https://danbrownandassociates.com/slope-stabilization-method-with-micropiles-a-report-for-the-adscdfi-joint-micropile-committee/) - Erik and Dan have published a final report entitled "A Method for Predicting Mobilization Resistance for Micropiles Used in Slope Stabilization Applications". The report was prepared for the Joint ADSC/DFI Micropile Committee. This version has been submitted to the committee for review and comment. From the report: The primary objective of the work described in
- [Welcome to newest DBA team member, Paul Axtell!](https://danbrownandassociates.com/welcome-to-newest-dba-team-member-paul-axtell/) - DBA is proud to announce the newest addition to the team - Paul J. Axtell, P.E.! Paul comes to us from the U.S. Army Corps of Engineers Kansas City District office. He received his B.S. in Civil Engineering from the University of Missouri-Columbia and his M.S in Civil Engineering from the University of Texas. Paul's
- [In Memoriam: Dr. Ralph B. Peck (1912-2008)](https://danbrownandassociates.com/in-memorriam-dr-ralph-b-peck-1912-2008/) - A great man and geotechnical engineer has passed. Dr. Ralph Peck died February 18th. His obituary: Ralph B. Peck, Professor Emeritus of Foundation Engineering at the University of Illinois at Urbana-Champaign died of congestive heart failure on February 18, 2008, at his home in Albuquerque, New Mexico. He was born in Winnipeg, Canada, to his
- [Conferences, seminars, and other useful links](https://danbrownandassociates.com/conferences-seminars-and-other-useful-links/) - Make sure and check the links on our left side bar for information on upcoming conferences, meetings, and seminars. We try to list all of the major events of organizations like the Geo-Institute of ASCE, the ADSC, the PDCA, and the DFI. Also, check out the changes in geotechnical engineering related to transportation projects coming
- [International Foundation Congress and Equipment Expo '09](https://danbrownandassociates.com/international-foundation-congress-and-equipment-expo-09/) - Mark you calendars now for a really big geotechnical engineering and foundation construction "mega-event" next year - The International Foundation Congress & Equipment Expo '09. The Geo-Institute of ASCE, the ADSC, and the PDCA are the lead organizations for the event. Many other organizations are also Cooperating Organizations. The International Foundations Congress and Equipment Expo
- [DBA HQ site of ADSC Foundation Engineering Faculty Workshop Field Demo](https://danbrownandassociates.com/dba-hosts-adsc-professor-workshop-field-demo/) - DBA will be hosting the field demonstration day for the ADSC Foundation Engineering Faculty Workshop on Friday, June 13th. Long Foundation and Hayward Baker have installed examples of several foundation and retaining structures, including drilled shafts, micropiles, and soil nails. During the field day demonstrations, the attendees will observe additional installations, load tests, and non-destructive
- [Dr. Jorj O. Osterberg Passes](https://danbrownandassociates.com/dr-jorj-o-osterberg-passes/) - Dr. Jorj Osterberg, inventor of the Osterberg Cell (or O-Cell) load testing device, passed away on June 1, 2008. Information on his life and achievements can be found at geoprac.net, at the Geo-Institute, or at Loadtest, Inc. The O-Cell has been used worldwide to test drilled shaft and other deep foundations. Tributes to Dr. Osterberg
- [ADSC 2008 Faculty Workshop Field Day at DBA](https://danbrownandassociates.com/adsc-2008-faculty-workshop-field-day-at-dba/) - Well, the ADSC 2008 Faculty Workshop Field Day was a great success! A group of 46 civil engineering faculty members from across the country participated in the week-long workshop that culminated in a field demonstration day at the World Headquarters of Dan Brown and Associates in Sequatchie, Tennessee. The participants and instructors were treated to
- [kcICON Moving Forward - Test Shaft Installation](https://danbrownandassociates.com/kcicon-moving-forward-test-shaft-installation/) - I have been slow in posting on the progress of our part in the kcICON project (see here for background and here for latest project images by MoDOT). The exploratory drilling went very well with a short pause due to ice in the river in late January. The crews from Terracon did an outstanding job
- [Progress at Audubon Bridge](https://danbrownandassociates.com/progress-at-audubon-bridge/) - Audubon Bridge Constructors (ABC) is making progress on the new John Jame Audubon Bridge near New Roads and St. Francisville, Louisiana. Steve has been spending quite a bit of time there looking at shaft excavations ,test shaft installations, and test pile installations. Paul made a trip in July and I made one earlier this month
- [kcICON River Bridge Update](https://danbrownandassociates.com/kcicon-river-bridge-update/) - Work is well underway on the main pylon foundation for the Christopher S. Bond Bridge on the kcICON project in Kansas City. By Labor Day, 4 of the 8 shafts (with 10.5-foot diameter rock sockets) will be completed. Construction of the shafts is progressing smoothly. The Pylon shafts may be completed as early as the
- [ADSC SE Chapter Research Project - Test Shaft 1 Prediction Contest Winner Announced!](https://danbrownandassociates.com/adsc-se-chapter-research-project-test-shaft-1-prediction-contest-winner-announced/) - The results are in for the load test at Test Shaft 1 at the Nashville site. The shaft was not loaded to failure in end bearing, in fact, it barely exceeded 1/2 inch of movement. Failure in side shear was not reached, either, but appeared to be approaching the maximum. Thus, for our contest, the
- [ADSC SE Chapter Rock Socketed Drilled Shaft Research Project Underway (and contest, too!)](https://danbrownandassociates.com/adsc-se-chapter-rock-socketed-drilled-shaft-research-project-underway-and-contest-too/) - DBA is one of many participants in a geotechnical engineering / deep foundation design research project being sponsored by the ADSC Southeast Chapter and funded by the ADSC Industry Advancement Fund. The project is investigating the axial resistance of drilled shafts socketed in to various rock formation in the Southeastern U.S. Design of drilled shaft
- [Happy Karl Terzaghi's Birthday!!!](https://danbrownandassociates.com/happy-karl-terzaghis-birthday-3/) - Karl von Terzaghi (October 2, 1883 - October 25, 1963) Photograph From the World Wide Web of Geotechnical Engineering Hall of Fame (http://www.ejge.com/People/Terzaghi/Terzaghi.htm) Good day and Happy Karl Terzaghi's Birthday! Today is a celebrated day on the geotechnical calendar each and every year, and this year is special as it is the 125th year since
- [Professor Ralph Peck Legacy Website at Geoengineer.org](https://danbrownandassociates.com/professor-ralph-peck-legacy-website-at-geoengineerorg/) - The folks at Geoengineer.org are developing a website to honor the legacy of Professor Ralph B. Peck who passed away earlier this year. The development team is offering an invitation for contributions: To honor a distinguished geotechnical engineer, for his dedication and contributions to the society as a teacher, author, and engineer, we invite his
- [Jon Gould Joins DBA!](https://danbrownandassociates.com/jon-gould-joins-dba/) - Dan Brown and Associates is pleased to announce the newest addition to the team – Jon H. Gould, P.E. Jon has over 38 years of experience as a geotechnical engineer and for the last several years has been self-employed as a geotechnical consultant. He received his B.S. and M.S. degrees in Civil Engineering from the
- [Report of Nashville Load Test Research - UPDATE](https://danbrownandassociates.com/report-of-nashville-load-test-research/) - Dan has updated the report for the ADSC SE Chapter research project Nashville, TN site. The new link is below. Brown, D.A., 2009. “Load Testing of Drilled Shaft Foundations in Limestone, Nashville, TN”, Report for ADSC Southeast Chapter, Feb 2009 Technorati Tags: Deep Foundations,Drilled Shafts,Engineering Research,Geotechnical Engineering,Foundation Design
- [Audubon (JJA) Bridge Construction Update](https://danbrownandassociates.com/audubon-jja-bridge-construction-update/) - I have been too busy to post more photos from my trips to New Roads, LA in the fall to help Steve with the work at the Audubon Bridge project. It has been a flurry of activity as they worked to finish installing, tip-routing, and load testing all of the shafts in the river (done
- [kcICON River Bridge Update – March 08](https://danbrownandassociates.com/kcicon-river-bridge-update-march-08/) - I started on a post back in January, realizing I never finished it when I started writing a new one for this project. So, this one now covers a few months! Work on the land bents began back in November, before it got really cold! There are 5 land-based bents (Bent 1 on the “south”
- [Drilled Shafts by Oscillator – I-15 Beck Street Bridge](https://danbrownandassociates.com/drilled-shafts-by-oscillator-i-15-beck-street-bridge/) - DBA is working with Parsons Transportation Group and Kiewit-Clyde (a joint venture of Kiewit and W.W. Clyde & Co.) on part of the I-15 Express Link project in Salt Lake City, Utah. DBA is working only on one bridge within the project: the Beck Street Bridge replacement. An existing 6-lane bridge will be replaced and
- [New DBA Site Features](https://danbrownandassociates.com/new-dba-site-features/) - I have spent a little time tweaking some features on the site; 1. Instead of having a long list of links to conferences, etc. in the side bar, I have created a calendar using Google Calendar. You can click on an event to get a pop-up that has a brief description. In the pop-up, you
- [Dan wins 2009 ASCE Martin S. Kapp Foundation Engineering Award.](https://danbrownandassociates.com/dan-wins-2009-asce-martin-s-kapp-foundation-engineering-award/) - Dan was recognized with the 2009 Martin S. Kapp Foundation Engineering Award at the International Foundation Congress and Exposition 09 in March. The award is given annually by ASCE to recognize outstanding achievement in geo-construction. From the ASCE Web site: The Martin S. Kapp Foundation Engineering Award will be given to an individual on the
- [Audubon (JJA) Bridge Construction Update – April 09](https://danbrownandassociates.com/audubon-jja-bridge-construction-update-april-09/) - I had the pleasure of making two trips to the Audubon Bridge site in April to help Steve. I got to observe the excavation of two of the shafts on the West High Approach (on land!), observe base grouting of some of the West High Approach shafts, and base grouting of the test shaft on
- [kcICON Bond Bridge Update – Drilled Shafts Complete!](https://danbrownandassociates.com/kcicon-bond-bridge-update-drilled-shafts-complete/) - UPDATE (5/19/09): Here is an article the Kansas City Star on-line. It has links to photos and video. Work by DBA is all but compete on the kcICON project. All drilled shafts have been installed and base grouted. Construction of the shafts went very well, with no significant issues. Hayes Drilling installed all of the
- [Long Time ADSC Director Scot Litke “Retiring”](https://danbrownandassociates.com/long-time-adsc-director-scot-litke-retiring/) - As some readers of this blog know, the ADSC is having a leadership transition as Scot Litke retires. Everyone will miss Scot and his outstanding wit, but Michael Moore is stepping in as a very capable leader for the organization. A press release from ADSC is below. For Immediate Release August 4, 2009 Michael
- [Foundation Drilling article (May 2009): Drilled Shaft Loadtests in Limestone by Dan and Robert](https://danbrownandassociates.com/foundation-drilling-article-may-2009-drilled-shaft-loadtests-in-limestone-by-dan-and-robert/) - The May 2009 issue of Foundation Drilling had an article by Dan and Robert summarizing the recent research on drilled shafts socketed into rock for the Southeast Chapter of ADSC . The article has been posted to our Publications Page. The full report is located here, for those looking for a little light reading.
- [Happy Karl Terzaghi’s Birthday!](https://danbrownandassociates.com/happy-karl-terzaghis-birthday-4/) - Karl von Terzaghi (October 2, 1883 – October 25, 1963) Photograph From the World Wide Web of Geotechnical Engineering Hall of Fame (http://www.ejge.com/People/Terzaghi/Terzaghi.htm) Yes, my geotechnical friends, another year has passed and it is again that special date in geotechnical engineering history: Karl Terzaghi’s Birthday! Each year we pause to recognize the birth of the
- [Another Legend Passes – Dr. Lymon C. Reese](https://danbrownandassociates.com/another-legend-passes-dr-lymon-c-reese/) - I wanted to make a quick post on the passing of Dr. Lymon Reese – Dan’s mentor, Ph.D. advisor, and a great engineer. I’ll post more later as it becomes available. (and catch up posts on our normal activities that I am way behind on). Below is from an e-mail sent by the ADSC.
- [Recent Project Photos - (or) What have we been up to the last few months (Part 1)?…… Drilled Shafts!](https://danbrownandassociates.com/recent-project-photos-or-what-have-we-been-up-to-the-last-few-months-part-1-drilled-shafts/) - If you frequent this blog, you have noticed that posts have been rare the last few months. That is mostly to my being in the field a lot this summer and very busy on lost of projects. While that is good, it meant I did not have time for updates. Below are some slide shows
- [Recent Project Photos - (or) What have we been up to the last few months (Part 2)?……Driven Piles!](https://danbrownandassociates.com/recent-project-photos-or-what-have-we-been-up-to-the-last-few-months-part-2driven-piles/) - Who says we only work on drilled shafts?? Robert had the opportunity to work for Kiewit Engineering Company providing geotechnical engineering support to Gulf Intracoastal Constructors (GIC), a joint venture of Kiewit and Traylor Brothers on the Gulf Intracoastal Waterway West Closure Project near Belle Chase, Louisiana. The project is part of the overall flood
- [Foundation Work is Finished at Audubon Bridge!!!](https://danbrownandassociates.com/foundation-work-is-finished-at-audubon-bridge/) - Yes, you read that right – the last drilled shaft has been installed on the John James Audubon Bridge near New Road, Louisiana. The project has been quite an adventure for us, especially Steve. He spent the most time on the site during shaft excavation, tip grouting, load testing, and even pile driving. Robert got
- [More Drilled Shaft photos at Huey P. Long Bridge](https://danbrownandassociates.com/more-drilled-shaft-photos-at-huey-p-long-bridge/) - Steve just can’t get enough of the state of Louisiana. Now that the Audubon Bridge foundations are complete, he needed an excuse to get back and found himself in the Crescent City observing production shaft base grouting at the Huey P. Long Bridge project. Here area few more good construction photos to supplement my previous
- [Video: Lateral Load Test with Statnamic Device](https://danbrownandassociates.com/video-lateral-load-test-with-statnamic-device/) - One area of work we are frequently involved in is data analysis and evaluation of lateral load tests performed by the Statnamic testing device (learn more at the website of Applied Foundation Testing). The mathematics involved in the data reduction can be quite formidable as you interpret the dynamic load-response to an equivalent static load-response.
- [kcICON Bridge article in Roads and Bridges](https://danbrownandassociates.com/kcicon-bridge-article-in-roads-and-bridges/) - An article on the kcICON bridge project was published in the November 2009 issue of Roads and Bridges magazine. The article was written by Pat Cassity, P.E. of Parsons Transportation Group, Brian Kidwell, P.E. of MoDOT, and Pat Byrne, P.E. of Massman. The on-line version is here. I have also posted a PDF on the
- [DBA on Twitter and Facebook](https://danbrownandassociates.com/dba-on-twitter-and-facebook/) - I am slowly learning and working on getting DBA involved in using some of the social media tools that are very quickly becoming popular means of communicating. DBA has a Facebook Page where you can become a Fan of DBA and see what we are doing. You can also follow us on Twitter. This blog
- [Events Calendar Updated for 2010](https://danbrownandassociates.com/events-calendar-updated-for-2010/) - I have updated our calendar for 2010 to include many events in the geotechnical and foundation engineering world that may be of interest, plus known speaking/teaching appearances by Dan. I’ll put in a plug for the events calendars and listings for ADSC, DFI, Geo-Institute, and PDCA. I get most of my information from them.
- [Merry Christmas and Happy New Year from DBA!](https://danbrownandassociates.com/merry-christmas-and-happy-new-year-from-dba/) - Wishing everyone a very Merry Christmas and a great year in 2010! Comments are welcome on which of the elves are Aaron, Paul, Robert, and Steve. (Image form our Christmas Holiday card purchased from www.KerstenCards.com)
- [kcICON project moving along – see it on Facebook and YouTube](https://danbrownandassociates.com/kcicon-project-moving-along-see-it-on-facebook-and-youtube/) - The kcICON project in Kansas City, Missouri is using Facebook and YouTube as a public relations tool. They have recently posted new videos and pictures. The latest video is of demolition of one of the existing approach structures. It is all done for public relations, so the photos and videos are oriented for the general
- [Tim Siegel, P.E. joins DBA!](https://danbrownandassociates.com/tim-siegel-p-e-joins-dba/) - DBA is growing again with the addition of Tim Siegel, P.E. to our team! Tim has been primarily involved in the analysis and design of geotechnical structures including drilled shafts, cast-in-place piles, micropiles, and earth retention systems. Tim is a Georgia Tech grad (like Dan!) and has worked most of his career since
- [DBA on successful St. Louis Bridge team](https://danbrownandassociates.com/dba-on-successful-st-louis-bridge-team/) - DBA is on the successful team that was awarded the contract for the new Mississippi River Bridge in St. Louis, Missouri. The project is a joint project of MoDOT/IDOT with MoDOT being the lead agency. HNTB is the lead bridge designer for the new cable-stayed bridge carrying I-70 over the river. The bridge is one
- [Daredevil Engineer](https://danbrownandassociates.com/daredevil-engineer/) - Those of you that know Dan know that he is into motorcycles, especially trials riding. Some of you may thing that the headline means this post is about one of his latest riding exploits. Surprisingly, it is not. Recently, I (Robert) and my family went to a World of Wheels car show in Birmingham, Alabama.
- [Social media icons, all in one place](https://danbrownandassociates.com/social-media-icons-all-in-one-place/) - We've added a "Follow DBA" widget to our upper right sidebar that contains these six icons, all clickable, with a line of text underneath them that reads: "Follow the DBA blog via email or RSS; view us on YouTube & Picasaweb; follow us on Twitter & Facebook."
- [Audubon Bridge Update – Piers out of the water!](https://danbrownandassociates.com/audubon-bridge-update-piers-out-of-the-water/) - It has been a little while since we last visited the John James Audubon Bridge site in New roads, Louisiana. My how things have changed! I just have a couple of pictures of the piers from January – it is really looking like a bridge now! For frequent updates, check out the webcam and the
- [Geo-Florida Presentation by Steve Dapp – Tip-Grouted Drilled Shaft Foundations for the Audubon Bridge](https://danbrownandassociates.com/geo-florida-presentation-by-steve-dapp-tip-grouted-drilled-shaft-foundations-for-the-audubon-bridge/) - I have uploaded the presentation Steve gave at Geo-Florida 2010 on February 24th. You can find it on our Presentations page or by clicking the image below. Enjoy!
- [kcICON Bond Bridge Article in Deep Foundations Magazine](https://danbrownandassociates.com/kcicon-bond-bridge-article-in-deep-foundations-magazine/) - The Spring 2010 issue of Deep Foundations from the Deep Foundations Institute includes an article by Dan and Paul (with a little help from yours truly!). The article is based on our paper presented by Dan at the 34th DFI Conference on Deep Foundations last October in Kansas City. The kcICON project continues to roll
- [Tim Siegel to Teach Karst Seminar in Tennessee, awarded Diplomate, Geotechnical Engineering](https://danbrownandassociates.com/tim-siegel-to-teach-karst-seminar-in-tennessee-awarded-diplomate-geotechnical-engineering/) - Our own Tim Siegel, P.E., D.GE. will be part of the seminar Foundation Design in Karst Terrain in two locations: Johnson City, TN (also known as the Tri-Cities) on June 16th, and in Chattanooga on August 27th. Tim will be instructing on evaluating karst terrain and designing foundations in such terrain. If you are interested
- [Artistic Construction Photo Contest – Volume 1](https://danbrownandassociates.com/artistic-construction-photo-contest-volume-1/) - With all of us visiting construction projects across the country, occasionally we take a photo that appears to be somewhat “artistic” – maybe the lighting (or lack of), or the aspect. I have assembled a few such photos submitted by DBA engineers in the first installment of the DBA Artistic Construction Photo Contest. Included in
- [Professor Ralph Peck Legacy Website Launched](https://danbrownandassociates.com/professor-ralph-peck-legacy-website-launched/) - The Professor Ralph Peck Legacy Website has been launched by Geoengineer.org: Geoengineer.org is pleased to announce the launch of "Professor Ralph Peck's Legacy Website". The Website has been developed to celebrate the life and legacy of one of the Heroes of the geotechnical engineering field and honor a distinguished geotechnical engineer for his dedication and
- [Presentations Posted – GeoFlorida and More!](https://danbrownandassociates.com/presentations-posted-geoflorida-and-more/) - Tim Siegel’s presentation on plate load testing of grout columns from GeoFlorida 2010 in February has been added to our Presentations Page. I have also added some older presentations from IFCEE09, the 41st STGEC, and other conferences. Construction Considerations in the Selection and Design of Drilled Shaft Foundations for Bridges –
- [World Record O-Cell Load Test in St. Louis, MO!](https://danbrownandassociates.com/world-record-o-cell-load-test-in-st-louis-mo/) - DBA was part of foundation engineering and construction history while participating in a drilled shaft load test for the New I-70 Mississippi River Bridge in St. Louis, Missouri. A new O-cell world record of 36,000 tons (bi-directional) was achieved on the test, besting the former record of just under 32,000 tons set in 2005 in
- [New Links - The Academy of Geo-Professionals; Geoengineering Literature Finder](https://danbrownandassociates.com/new-links-the-academy-of-geo-professionals-geoengineering-literature-finder/) - A link to the Academy of Geo-Professionals (AGP) has been added to our links in the sidebar. The AGP is the organization that awards the Diplomate, Geotechnical Engineering (D.GE.) which our own Tim Siegel was recently awarded . From the AGP website: The Academy of Geo-Professionals (AGP) was founded in October 2008 by practicing
- [Bridge updates – kcICON, Audubon, Beck Street](https://danbrownandassociates.com/bridge-updates-kcicon-audubon-beck-street/) - As geotechnical/foundation engineers, we don’t usually get to see much of what happens on a project after the foundations are completed, especially a project like a large bridge that can take years to complete. Technology such as the Internet, webcams, and digital photography have made it easy for us to see how things are progressing
- [New Project Summaries Added](https://danbrownandassociates.com/new-project-summaries-added/) - I have added some new project summaries to our Consulting Projects list. I have also revised/updated the individual project pages we have, plus the Consulting Projects and Research Projects pages. The projects I have added are: Beck Street Bridge over I-15, Salt Lake City, Utah Hurricane Protection Projects, New Orleans, Louisiana I-70 Mississippi River Bridge
- [New FHWA Drilled Shaft Manual is Done!](https://danbrownandassociates.com/new-fhwa-drilled-shaft-manual-is-done/) - Although I have known for several weeks that the manual was finished (I work for one of the authors, after all!), I was waiting for the FHWA to post the link for the new manual before posting this…and now it is here! My friend, Randy Post, has an outside review (meaning not connected to one
- [Pile Load Tests in New Orleans - Presentation](https://danbrownandassociates.com/pile-load-tests-in-new-orleans-presentation/) - Robert made a presentation at the recent Alabama Section ASCE 2010 Summer Meeting on our participation in some pile load tests on a couple of the storm protection projects in New Orleans (see previous post here). DBA worked for Kiewit Engineering Company (KECo) and the two joint ventures on the projects, providing geotechnical consulting. We
- [Three Updates: World Record O-Cell Load Test in St. Louis, MO](https://danbrownandassociates.com/three-updates-world-record-o-cell-load-test-in-st-louis-mo/) - Check out the bottom of my post on June 30th World Record O-Cell Load Test for some updates and new links to recent news articles.
- [ADSC to Distribute new FHWA Drilled Shaft Manual](https://danbrownandassociates.com/adsc-to-distribute-new-fhwa-drilled-shaft-manual/) - As I posted on July 7th, the new FHWA Drilled Shafts: Construction Procedures and LRFD Design Methods has been released and is available for download (PDF) at the FHWA web site (link at previous post). ADSC has just announced that the printed version is now available to both ADSC members and non-members: By special
- [DBA on team for New Hastings, MN Bridge](https://danbrownandassociates.com/dba-on-team-for-new-hastings-mn-bridge/) - The Lunda/Ames design-build joint venture (Lunda Construction Company of Black River Falls, Wisconsin and Ames Construction, Inc. of Burnsville, Minnesota) has been awarded a contract to build the new Highway 61 Hastings Bridge over the Mississippi River in Hastings, Minnesota. Parsons Transportation Group is the designer and DBA is performing geotechnical design of the bridge
- [David Graham newest DBA team member](https://danbrownandassociates.com/david-graham-newest-dba-team-member/) - We are pleased to announce that we are growing again! Recent Auburn University graduate (War Eagle!) David Graham, E.I. has joined DBA. David recently finished the requirements for his M.S. in Civil Engineering at Auburn University, where he also completed his B.C.E. David’s research, directed by Dr. David Elton, P.E. focused on a new method
- [Happy Karl Terzaghi Birthday 2010](https://danbrownandassociates.com/happy-karl-terzaghi-birthday-2010/) - October 2nd, is the day we (or at least a lot of us geoprofessionals) have all been looking forward to all year – the birthday of Professor Karl Terzaghi, The Father of Modern Day Soil Mechanics, born October 2, 1883. Since this historic day in geotechnical engineering history falls on a Saturday this year, I
- [A Foundation Engineering Trip Down the Mississippi River](https://danbrownandassociates.com/a-foundation-engineering-trip-down-the-mississippi-river/) - Dan recently played the part of storyteller at the Southeastern Transportation Geotechnical Engineering Conference (STGEC) 2010 conference in Charleston, West Virginia when he gave the lunch presentation on the conference’s first day. He took the audience on a trip down the Mississippi River from a foundation engineer’s perspective, talking about several bridges that DBA has
- [kcICON Bridge Nears Completion](https://danbrownandassociates.com/kcicon-bridge-nears-completion/) - Paul received a few photos of the kcICON bridge that are just too cool not to share. These were sent to him by Massman Construction. These were taken in September of this year. MoDOT’s Flicker album of the dedication ceremony is here. The new bridge was dedicated and partially opened to traffic (southbound) on September
- [Merry Christmas and Happy New Year from DBA!](https://danbrownandassociates.com/merry-christmas-and-happy-new-year-from-dba-2/)
- [Paper by Paul Axtell added to Publications](https://danbrownandassociates.com/paper-by-paul-axtell-added-to-publications/) - A paper by Paul Axtell and others on shear strength of cement-bentonite grout mixes has been added to our Publications Page. Axtell, P.J., Stark, T.D., and Dillon, J.C. (2010). “Peak and Post-Peak Shear Strength of Cement-Bentonite”, DFI Journal Volume 4, No. 1, August 2010, Deep Foundations Institute, pp59-65.
- [New Bloggers at DBA](https://danbrownandassociates.com/new-bloggers-at-dba/) - I (Robert) will now have some help with posting to the blog. Our two young staff engineers, Aaron Hudson and David Graham, will be helping me with blog maintenance and posting content. Until now, I have pretty much written all of the posts and have done all other content updates. Now you will see some
- [kcICON Project Opens Ahead of Schedule](https://danbrownandassociates.com/kcicon-project-opens-ahead-of-schedule/) - The kcICON project in Kansas City has been completed six months ahead of schedule and within budget with all lanes and ramps being open on December 18th. Demolition has begun on the existing Paseo bridge. You can see some photos of the demolition (like the one in this post – thanks kcICON!) at their Facebook
- [Hastings Bridge Update](https://danbrownandassociates.com/hastings-bridge-update/) - Good morning DBA fans! I’m here to give you the latest news on the Hastings Bridge project. The weather has been a bit chilly in Hastings, MN but that isn’t stopping progress. Paul provided the update below and this picture of one of the beautiful mornings on the site. Installation of the 12.75” diameter open-ended
- [DBA On Team for Hurricane Deck Bridge Replacement](https://danbrownandassociates.com/dba-on-team-for-hurricane-deck-bridge-replacement/) - (Image source: LakeExpo.com) DBA is part of a team led by Parsons Transportation Group that was selected to design the replacement of the Hurricane Deck Bridge over The Lake of the Ozarks in Camden County Missouri. MoDOT has awarded the design contract to Parsons. DBA will be the lead geotechnical engineer with Terracon on the
- [Audubon Bridge Closure–The Span is Complete!](https://danbrownandassociates.com/audubon-bridge-closurethe-span-is-complete/) - On December 29, 2010, Audubon Bridge Constructors recently “closed” the main span of the John James Audubon Bridge between New Roads and St. Francisville, Louisiana. Watch the video featured at the top of the page at the bridge link to hear about the bridge, including the drilled shaft foundations! For something really fascinating, go to
- [Micropiles for Slope Stabilization](https://danbrownandassociates.com/micropiles-for-slope-stabilization/) - An article by Eric and Dan on the use of micropiles for slope stabilization has been added to our Publications Page. Published in the August 2010 issue of Foundation Drilling Magazine, the article summarizes key findings and recommendations from a study that reviewed and evaluated existing micropile design methods. A new design method is proposed
- [New I-70 Bridge Featured in Foundation Drilling Magazine](https://danbrownandassociates.com/new-i-70-bridge-featured-in-foundation-drilling-magazine/) - The new I-70 bridge over the Mississippi River near St. Louis, Missouri is quite the project. When completed, it will be the third longest cable-stayed bridge in the United States, with a 1,500-ft main span. Most significantly for the geotechnical community, the bridge made history when one of its 11-ft diameter drilled shafts resisted a
- [DBA has a logo!](https://danbrownandassociates.com/dba-has-a-logo/) - After 5 years, Dan Brown and Associates finally has a logo! We tried to keep it simple, yet still reflect what we do best – deep foundations. That means piles, micropiles, CFA piles, as well as drilled shafts! While not necessarily the most exciting thing an engineering firm can do, it is part of growing
- [LRFD Design Procedures Case Histories – Iowa ASCE Geotechnical Conference](https://danbrownandassociates.com/lrfd-design-procedures-case-histories-iowa-asce-geotechnical-conference/) - Paul gave a presentation recently at the Iowa ASCE Geotechnical Conference where he discussed two project case histories for LRFD design of bridge foundations. The meeting was held March 3, 2011 in Ames, Iowa. In his presentation, Paul gave an overview of the LRFD design procedure as it applies to foundations, reminding them that LRFD
- [Robert Thompson awarded the Diplomate, Geotechnical Engineering (D.GE) certification!](https://danbrownandassociates.com/robert-thompson-awarded-the-diplomate-geotechnical-engineering-d-ge-certification/) - We here at DBA would like to say Congratulations! to Robert Thompson for receiving the specialty certification Diplomate, Geotechnical Engineering (D.GE) from The Academy of Geo-Professionals (AGP). Robert received the certification at the recent Geo-Institute’s Annual Conference, GeoFrontiers, in Dallas, Texas. The excerpt below comes from the AGP web site. Robert is on the bottom
- [ADSC Rock-Socketed Drilled Shafts in the SE Research Project Site No.2 – Comments Welcomed](https://danbrownandassociates.com/adsc-rock-socketed-drilled-shafts-in-the-se-research-project-site-no-2-comments-welcomed/) - After some lengthy delays, the rock-socketed drilled shaft research sponsored by the Southeast Chapter of the ADSC is back on track. A second site has been selected at the site of Foundation Technologies, Inc. in Lawrenceville, Georgia. This site will investigate the resistance of some of the rocks of the Piedmont for drilled shaft design.
- [Audubon Bridge Opened To Traffic (earlier than planned!)](https://danbrownandassociates.com/audubon-bridge-opened-to-traffic-earlier-than-planned/) - The John James Audubon Bridge was opened to traffic on May 10, 2011 a little earlier than planned. While the project is not 100% complete, the bridge was sufficiently complete to allow an emergency opening due to closure of the nearby ferry the bridge is replacing. From the project website: Due to the high level
- [ADSC Lawrenceville Test Site–Prediction Contest!](https://danbrownandassociates.com/adsc-lawrenceville-test-siteprediction-contest/) - Update (7/31/11) - Field Day set for Thursday, August 18th - More info here! Back by popular demand, we will hold a prediction contest for the second test site in the ADSC drilled shaft research project for rock sockets in the Southeastern U.S. Contestants are encouraged to download the information linked below and then submit
- [Audubon Bridge–Cofferdam Construction Article](https://danbrownandassociates.com/audubon-bridgecofferdam-construction-article/) - As noted earlier on this blog, the Audubon Bridge opened a little bit earlier than planned. Although over a year old, an article recently came to my attention that puts a spotlight on the unique engineering and construction that went into the cofferdams for the two main bridge piers in the Mississippi River. The article
- [Dan To Receive 2011 DFI Distinguished Service Award](https://danbrownandassociates.com/dan-to-receive-2011-dfi-distinguished-service-award/) - Dan will be honored at the DFI 36th Annual Conference on Deep Foundations in Boston, October 19 to 21. He will receive the award at the annual awards banquet on Thursday, October 20th. From DFI: The Deep Foundations Institute is pleased to announce Dan Brown, P.E., Ph.D., as the recipient of the DFI 2011 Distinguished Service
- [Now Published! NCHRP Synthesis 418–Developing Production Pile Driving Criteria From Test Pile Data](https://danbrownandassociates.com/now-published-nchrp-synthesis-418developing-production-pile-driving-criteria-from-test-pile-data/) - The Transportation Research Board of the National Academies has published a National Cooperative Highway Research Program synthesis report by Dan and Robert: NCHRP Synthesis 418–Developing Production Pile Driving Criteria From Test Pile Data. This synthesis provides a survey of the current practices used by transportation agencies to develop pile driving criteria, with special attention on
- [GeoWorld: On-Line Community for Geo-Engineers Launches](https://danbrownandassociates.com/geoworld-on-line-community-for-geo-engineers-launches/) - It seems that social media and on-line communications have become a major part of our day-to-day communications. If you are like me (Robert), I find it rather annoying at times to filter through what you get to find what you really want or need. Now there is an on-line social networking/community for the geoengineering field
- [Happy Karl Terzaghi's Birthday 2011!](https://danbrownandassociates.com/happy-karl-terzaghirsquos-birthday-2011/) - Greetings to all Terzaghi fans! Yes, it is that time of year again, where our thoughts turn to the anniversary of the birth of one of the greats in our field. Last year I had a football themed post (college football, in case you were wondering…and that is American football for our fans outside the
- [Dr. Steve Dapp…in Taiwan!](https://danbrownandassociates.com/dr-steve-dapphellipin-taiwan/) - During a recent trip to Taiwan, Steve had the opportunity to participate in a lecture on base grouted drilled shaft foundations. He was invited to speak at a meeting of the Chinese Taipei Geotechnical Society (CTGS), also known as the Taiwan Geotechnical Society (TGS), by Dr. Prof. San-Shyan, Lin, National Taiwan Ocean University (current president
- [ADSC Lawrenceville Test Site–We Have Winners!](https://danbrownandassociates.com/adsc-lawrenceville-test-sitewe-have-winners/) - That’s right load test fans, The results are in! The ADSC Southeast Chapter is proud to announce the “winners” from the prediction contest for the Lawrenceville, GA test site. In the table below, we have listed the winner and their prediction. The winners are the closest to the average measured values as reported by Loadtest,
- [Dr. Mike Holloway, P.E. comes aboard!](https://danbrownandassociates.com/dr-mike-holloway-p-e-comes-aboard/) - DBA is pleased to announce that Dr. D. Michael Holloway, P.E. has joined the DBA team. Mike is a recognized expert in driven pile foundation design and dynamic testing, in-situ testing, instrumentation, and earthquake engineering. His over 40 years of foundation and geotechnical engineering experience includes stints at the U.S. Army Corps of Engineers Waterways
- [Audubon Bridge Foundations in Fall 2011 “Deep Foundations”](https://danbrownandassociates.com/audubon-bridge-foundations-in-fall-2011-deep-foundations/) - Dan and Steve co-authored an article in the Fall 2011 issue of Deep Foundations (from DFI) that covered the foundations for the recently completed record-setting Audubon Bridge in Louisiana. Dan and Steve cover not only the shaft testing, design, and construction, but also the unique cofferdam used for the tower foundations. I recently highlighted an
- [Merry Christmas 2011 and Happy New Year 2012 from DBA!](https://danbrownandassociates.com/merry-christmas-2011-and-happy-new-year-2012-from-dba/)
- [ADSC SE Chapter Lawrenceville Test Site Report Published](https://danbrownandassociates.com/adsc-se-chapter-lawrenceville-test-site-report-published/) - The report for the ADSC Southeast Chapter Lawrenceville, Georgia Test Site is complete and published (link below). This is the second report from their research project on rock-socketed drilled shafts in the Southeast U.S. This report is from the Lawrenceville, Georgia test site where shafts constructed in metamorphic rock of the Piedmont geologic province were
- [I-70 Mississippi River Bridge–News and Webcams!](https://danbrownandassociates.com/i-70-mississippi-river-bridgenews-and-webcams/) - The new I-70 Mississippi River Bridge in St. Louis, Missouri is moving along and getting noticed in the news. Here are a couple of (somewhat) recent articles: The Republic (Columbus, Indiana) (01/29/2012) St. Louis Business Journal (01/10/2012) KMOX CBS (12/28/2011) The New Mississippi River Bridge Project page maintained by MoDOT has links to all that
- [Hastings Update and Photo Album](https://danbrownandassociates.com/hastings-update-and-photo-album/) - Well, I, David, have survived my first (and hopefully last) winter in Minnesota. I spent most of January and February observing the installation of the Pier 5 drilled shafts at the new Hastings bridge project in Hastings, Minnesota. In addition to the drilled shafts, there has been a lot activity at Hastings since Aaron last
- [Dr. John Turner, P.E. joins DBA!](https://danbrownandassociates.com/dr-john-turner-joins-dba/) - We are pleased to announce that John P. Turner, Ph.D., P.E., has joined our firm as a Senior Principal. Turner is Professor Emeritus, University of Wyoming, where he spent the past 25 years teaching and conducting research in geotechnical engineering. He has undergraduate degrees in both Geology and Civil Engineering and earned his doctorate in
- [Hastings Bridge Receives Press as Foundations Near Completion](https://danbrownandassociates.com/hastings-bridge-receives-press-as-foundations-near-completion/) - As massive concrete piers rise from the Mississippi river in southeast Minnesota, people have begun to take notice of what will become the longest free-standing tied-arch bridge in North America. A unique project in several respects, the new Hasting bridge has recently been featured in articles on the websites of ENR and Roads & Bridges.
- [Visit to Bond Bridge (kcICON Project) in KC](https://danbrownandassociates.com/visit-to-bond-bridge-kcicon-project-in-kc/) - I was finally able to make my first visit to the Bond Bridge in Kansas City since it was completed. It is a very beautiful bridge that fits well into the approach to Kansas City from the north. As foundation engineers, we don’t always get a convenient opportunity visit the large bridge structures we work
- [Audubon Bridge Officially Complete!](https://danbrownandassociates.com/audubon-bridge-officially-complete/) - Photo Credit: enr.construction.com The John James Audubon Bridge between New Roads and St. Francisville, Louisiana was officially completed February 27, 2012. The bridge was opened to traffic in May of last year, but was declared officially completed last month. This bridge has a special spot in the heart of DBA as it was one of
- [Papers from ADSC EXPO 2012–Drilled Shafts and Other Drilled Foundations](https://danbrownandassociates.com/papers-from-adsc-expo-2012drilled-shafts-and-other-drilled-foundations/) - ADSC EXPO 2012, San Antonio, Texas There were several of us presenting at the ADSC EXPO 2012 in mid-March: Dan, Erik, Robert and Tim. The EXPO is always a great event (occurs every 3 years) where equipment manufacturers and dealers bring out all of the big equipment (as Dr. Dave Elton at Auburn has been
- [FHWA Research Project: Post-Grouted Drilled Shafts](https://danbrownandassociates.com/fhwa-research-project-post-grouted-drilled-shafts/) - (Note from Robert: I used material from the team proposal and the article referenced below for this post, with the authors’ permission. Also, DBA is a significant participant in the project and we hope to provide updates as things move along.) The Federal Highway Administration (FHWA) has partnered with the ADSC: The International Association of
- [TRB Report: Scour at Bridge Foundation on Rock](https://danbrownandassociates.com/trb-report-scour-at-bridge-foundation-on-rock/) - TRB has released a new synthesis report covering scour of bridge foundations. Since this is an issue we are involved in on a lot of our big bridge projects, I felt it appropriate to share and help spread the word (Disclosure: I have not read the report yet – but plan to soon). ON large
- [Welcome to DBA, Nathan Glinski!](https://danbrownandassociates.com/welcome-to-dba-nathan-glinski/) - DBA is proud to announce the addition of Nathan Glinski, E.I. to our staff. Nathan is a recent graduate of the Georgia Institute of Technology (like Dan and Tim! Go Jackets!). Nathan completed his M.S. in civil engineering at Georgia Tech where he also did his undergraduate work. While at Georgia Tech, Nathan was a
- [Project Update–New River Bridge (I-70), St. Louis, MO](https://danbrownandassociates.com/project-updatenew-river-bridge-i-70-st-louis-mo/) - Photo Credit: Missouri Department of Transportation I and my fellow bloggers here at DBA (David Graham and Aaron Hudson) try to keep up with the various projects under construction that we had a part of. Sometimes it is hard to do once we have left the site after foundations are complete. Modern information technology makes
- [Dan Inducted into The Moles](https://danbrownandassociates.com/dan-inducted-into-the-moles/) - Back in April, Dan received news of a special honor…he was elected to membership in The Moles, a prestigious organization composed of individuals now or formerly engaged in heavy underground construction (tunnel, subway, foundation, marine, etc.). The organization has a limited membership (538 Active Members) and one must be nominated by a current member. The
- [Busy Fall Speaking Schedule for DBA](https://danbrownandassociates.com/busy-fall-speaking-schedule-for-dba/) - The months of September and October will be busy for several DBA team members speaking at a variety of conferences and events. Dan Brown and John Turner will be speaking at the ADSC/DFI Drilled Shaft Seminar and Field Day in Denver September 12 and 13. Dan will be giving the 4th Annual Osterberg Memorial Lecture
- [NCHRP Report 461–Static and Dynamic Lateral Loading of Pile Groups](https://danbrownandassociates.com/nchrp-report-461static-and-dynamic-lateral-loading-of-pile-groups/) - Here is a blast from the past on pile groups: NCHRP Report 461 – Static and Dynamic Lateral Loading of Pile Groups. I had a request for this report recently, so I found it and figured we needed to post the links to it. Dan was the lead researcher on this report during his time
- [Happy Karl Terzaghi’s Birthday 2012 (Updated)](https://danbrownandassociates.com/happy-karl-terzaghis-birthday-2012/) - Ah, October….here in the U.S. the leaves are beginning to turn as fall begins (or, in some places, fall off due to summer heat and lack of rain). The beginning of fall marks a lot of things, such as the Major League Baseball playoffs (insert favorite team name here!), but more importantly the anniversary of
- [Huey P. Long Bridge Designated ASCE Civil Engineering Landmark](https://danbrownandassociates.com/huey-p-long-bridge-designated-asce-civil-engineering-landmark/) - Photo Credit: Eliot Kamenitz, The Times-Picayune archive (via NOLA.com) The Huey P. Long Bridge over the Mississippi River in New Orleans was recently designated a National Civil Engineering Landmark by the American Society of Civil Engineers. From NOLA.com (via ASCE SmartBrief): Representatives with the Society of Civil Engineers, including national president Andrew Herrmann, along with
- [Girders go in at Hastings](https://danbrownandassociates.com/girders-go-in-at-hastings/) - photo by Jim Adams of the Minneapolis Star Tribune Massive prestressed concrete girders, some of them setting a record for the longest concrete girders used on a Minnesota bridge, have been set at the New Hastings Bridge, currently under construction in Hastings, Minnesota. The largest girders are 174 feet long, 8 feet tall, and weigh
- [New Pictures of Hastings Bridge Added to Our Picasa Web Album](https://danbrownandassociates.com/new-pictures-of-hastings-bridge-added-to-our-picasa-web-album/) - Some new pictures of the Hastings bridge project in Hastings, Minnesota have been added to our Picasa Web Album: Hastings Bridge Construction. The pictures were taken by myself, David Graham, who has been in the area working on a load test program for a new bridge crossing the St. Croix River near Stillwater, Minnesota, and
- [Hastings Bridge Takes Shape with Newly Installed Main Span](https://danbrownandassociates.com/hastings-bridge-takes-shape-with-newly-installed-main-span/) - photo by Chad Richardson of the Hastings Star Gazette A major construction feat was recently completed at the Highway 61 bridge project in Hastings, Minnesota when the 545-foot, 6.5 million-pound main bridge span was hoisted into place, 50 feet above the Mississippi river. The main span, the longest free-standing tied-arch in North America, was constructed
- [DBA Wraps Up Load Test Program and Proceeds with Design on St. Croix Bridge](https://danbrownandassociates.com/dba-wraps-up-load-test-program-and-proceeds-with-design-on-st-croix-bridge/) - Project rendering courtesy of HDR Lateral Statnamic test, picture by David Graham of DBA, click here for a YouTube video DBA has been selected by MnDOT as a geotechnical and load testing consultant for the design phase load test program and foundation design of a new bridge crossing the the St. Croix River near Oak
- [“Geotechnical Monument” in St. Louis](https://danbrownandassociates.com/geotechnical-monument-in-st-louis/) - It may not have been intended as such, but we will “claim” this large rock core on the Mississippi River as a “geotechnical monument”. At the site of the new I-70 crossing over the Mississippi River in St. Louis, one of the 11-foot diameter limestone rock cores retrieved from one of the rock sockets
- [Merry Christmas and Happy New Year from DBA!](https://danbrownandassociates.com/merry-christmas-and-happy-new-year-from-dba-3/) - Wishing everyone a very Merry Christmas, a Happy New Year, and a great 2013!
- [Deep Foundations Discussions on GeoWorld and LinkedIn](https://danbrownandassociates.com/join-the-dfc-on-linkenin/) - The world of social media or on-line networking sites continues to grow. Some of the sites offer opportunities for industry groups or committees to have groups that provide a place for discussion on specific topics relevant to the group or committee. DBA staff members are active on many technical committees in the Geo-Institute, DFI, PDCA,
- [DFI News and Industry Events](https://danbrownandassociates.com/dfi-news-and-industry-events/) - The February 2013 edition of the DFI Newsletter is on the street with news on upcoming DFI events and other industry news. Click on the links above, or join DFI to get it delivered to your inbox.
- [ENR’s Best of the Best 2012–Audubon Bridge](https://danbrownandassociates.com/enrs-best-of-the-best-2012audubon-bridge/) - The John James Audubon Bridge was recently selected as the Editor’s Choice/Transportation for ENR’s Best of the Best Projects for 2012. The annual competition culminated in honoring ENR’s selection of the most outstanding construction projects in the U.s. And Puerto Rico complete between July 2011 and June 2012. Nearly 1,000 project teams submitted their
- [Calibration of Resistance Factors for Drilled Shafts  -A report from the LADOTD](https://danbrownandassociates.com/calibration-of-resistance-factors-for-drilled-shafts-ladotd/) - Note: Okay – I’ll admit – I also do a blog for the Geo-Institute Deep Foundations Committee. as such, there are often things that I feel should be posted at both – to get the widest possible audience! So, if you have already been over there, this post will look very familiar. It is much
- [Huey P. Long Bridge Expansion–Completion in June 2013](https://danbrownandassociates.com/huey-p-long-bridge-expansioncompletion-in-june-2013/) - The Huey P. Long Bridge in New Orleans, Louisiana will be officially completed in June this year, according to the LADOTD. A recent article in the Times-Picayune on-line announced another ramp opening last weekend, bringing the $1.2 billion project one step closer to completion. DBA was brought onto the project by the contractor team to
- [Geofoam and Slope Stability](https://danbrownandassociates.com/geofoam-and-slope-stability/) - A recent TRB E-newsletter (4/2/2013) was spotlighted by Randy Post (aka RockMan) at Geoprac.net. The newsletter was about the publication in January of Research Results Digest 380: Guidelines for Geofoam Applications in Slope Stability Projects. TRB's National Cooperative Highway Research Program (NCHRP) Research Results Digest 380: Guidelines for Geofoam Applications in Slope Stability Projects explores
- [How do you move a 300 ton concrete arch?](https://danbrownandassociates.com/how-do-you-move-a-300-ton-concrete-arch/) - Image Source: Star Telegram.com Very carefully, of course! (You knew that was coming!) DBA has had the pleasure of consulting with Sundt Construction on their effort to replace the West 7th Street Bridge over the Trinity River in Fort Worth, Texas. Our role has been to provide geotechnical consulting for the heavy lifts of the
- [West 7th Street Bridge–Fort Worth, TX–Arches Update](https://danbrownandassociates.com/west-7th-street-bridgefort-worth-txarches-update/) - The West 7th Street Bridge in Fort Worth, Texas was closed on June 7th so that Sundt Construction could start demolishing the existing bridge. Sundt set all of the arches for the world’s first pre-cast network arch bridge according to TxDOT. The W. 7th Street bridge is a gateway between downtown Fort Worth and its
- [NCHRP Synthesis 429 - Geotechnical Information Practices in Design-Build Projects](https://danbrownandassociates.com/nchrp-synthesis-429-geotechnical-information-practices-in-design-build-projects/) - Early this year, NCHRP released a synthesis report on geotechnical practices related to design-build projects. I have had writing a blog post on this on my “to do” list for a few months and finally got down the list! NCHRP Synthesis 429 – Geotechnical Information Practices in Design-Build Projects is a report on the current
- [GeoWorld Technical Forums Launched!](https://danbrownandassociates.com/geoworld-technical-forums-issmge-news-plus-geer-report/) - GeoWorld – the social media platform for geoprofessionals – announced the launch of The Geo-Technical Forums. The launch was announced through Geoengineer.org: The GeoWorld professional network is pleased to announce the development of their latest innovative online tool: The Geo-Technical Forums! The new forums were a request by a number of individuals and committees of
- [Missouri Bridge Project Updates–Hurricane Deck and MRB](https://danbrownandassociates.com/missouri-bridge-project-updateshurricane-deck-and-mrb/) - Time for a quick update on two projects owned by MoDOT on which DBA was involved. First, the official opening of the Missouri Route 5 - Hurricane Deck Bridge Replacement was held on September 7th. History was made on Sept. 7, 2013when state and local officials cut the ribbon on the new Hurricane Deck Bridge
- [Call for Abstracts - 2015 International Foundations Congress and Equipment Exposition (IFCEE 2015)](https://danbrownandassociates.com/call-for-abstracts-2015-international-foundations-congress-and-equipment-exposition-ifcee-2015/) - Although 2015 seems like a long way away, when you are planning the largest foundation engineering and construction conference in the U.S., you need to get started early! The organizing committee for the the 2015 International Foundations Congress and Equipment Exposition (IFCEE 2015) has released the Call for Abstracts here at the conference website. This
- [Deep Foundations Events Update–October 2013](https://danbrownandassociates.com/deep-foundations-events-updateoctober-2013/) - As involved as we are in the deep foundations industry (and just returning from the DFI annual conference), it seemed appropriate to take time to highlight several upcoming events in the industry. All of these are great opportunities to get PDH credits, do some networking, and build relationships in the deep foundations industry. Most are
- [Leo Frigo Memorial Bridge, Wisconsin–Foundation Failure???](https://danbrownandassociates.com/leo-frigo-memorial-bridge-wisconsinfoundation-failure/) - Picture Source: nbcchicago.com While several of the DBA staff were at the DFI 38th Annual Conference on Deep Foundations last week, we received texts and calls from colleagues wondering if we had been called about the apparent foundation failure at the Leo Frigo Memorial Bridge in Green Bay, Wisconsin. As of now, DBA has not
- [Happy Karl Terzaghi’s Birthday 2013!](https://danbrownandassociates.com/happy-karl-terzaghis-birthday-2013/) - Happy Karl Terzaghi’s Birthday, my friends! Yes, it is time to raise our coffee, espresso, tea, wine, beer or other beverage to toast the Father of Modern Soil Mechanics as has been our custom here at the DBA blog. As I pondered what to write this year, I perused a couple of books and ended
- [Leo Frigo Bridge–Corroded Piling](https://danbrownandassociates.com/leo-frigo-bridgecorroded-piling/) - Image: From GreenBayPressGazette.com Early indications are that the settlement of the pier at the Leo Frigo Bridge in Green Bay, Wisconsin is the result of corrosion of the piling that supports the pier. Randy Post over at Geoprac.net has a post up with video and a link to this story in the Green Bay Gazette
- [Leo Frigo Bridge–Repair Design](https://danbrownandassociates.com/leo-frigo-bridgerepair-design/) - The Wisconsin DOT was set to request bids this week for repairs to the Leo Frigo Memorial Bridge on I-43 in Green Bay, with an anticipated start of construction on November 4th and reopening of the bridge on January 17th. The repair will consist of using drilled shafts installed adjacent to the existing piers with
- [DBA and Missouri S&T Conduct Live Load Test at Foothills Bridge as Construction Wraps Up](https://danbrownandassociates.com/dba-and-missouri-st-conduct-live-load-test-at-foothills-bridge-as-construction-wraps-up/) - Just before Christmas, David, Tim, and Nathan joined Dr. Ronaldo Luna and his graduate student, Devin Dixon, of Missouri University of Science and Technology (formerly the University of Missouri–Rolla) to conduct a live load test on the all but officially complete Foothills Parkway Bridge No. 2., near Pigeon Forge, Tennessee. During installation of the micropile
- [St. Croix Bridge Construction Starts with Official Groundbreaking](https://danbrownandassociates.com/st-croix-bridge-construction-starts-with-official-groundbreaking/) - Earlier this week, officials from the Minnesota and Wisconsin departments of transportation (MnDOT and WisDOT) met for an official groundbreaking ceremony on the projected $629 million bridge and highway project that will connect Oak Park Heights, Minnesota, to St. Joseph, Wisconsin, just south of Stillwater, Minnesota, as highlighted in yesterday’s edition of The Minneapolis St.
- [Hastings Bridge Opens to Traffic](https://danbrownandassociates.com/hastings-bridge-opens-to-traffic/) - Looking north towards Hastings as traffic travels on both bridges Looking west from the Hastings’ river bank I had the unique opportunity to be among the first people to cross the new Hastings bridge and among the last to cross the old Hastings bridge, during the short period of time when the two bridges were
- [Charles J. Berkel 1925-2013](https://danbrownandassociates.com/charles-j-berkel-1925-2013/) - A pioneer of the deep foundations industry has recently passed. Charles J. Berkel, 88, Chairman of the Board and Founder of Berkel & Company, one of the largest piling contractors in the U.S., passed away November 4, 2013. From DFI: Berkel graduated from the University of Illinois in 1946 with a B.S. in Civil Engineering.
- [Raising the Leo Frigo Bridge](https://danbrownandassociates.com/raising-the-leo-frigo-bridge/) - Work to begin lifting the sagging portions of the Leo Frigo Memorial Bridge on I-43 in Green Bay, Wisconsin is scheduled to begin Tuesday. According to the Green Bay Press Gazette, Zenith Tech Inc. is working on the repairs. It will be a BIG lift, indeed….. Raising the troubled Leo Frigo Memorial Bridge back into
- [Bubble Curtain for Driving Piles at Tappan Zee](https://danbrownandassociates.com/bubble-curtain-for-driving-piles-at-tappan-zee/) - Image source: lohud.com The design-build team Tappan Zee Constructors that is building the Tappan Zee Bridge is installing the over 200-ft long steel pipe piles using a relatively simple concept to mitigate vibration impacts on fish – a bubble curtain. Such curtains have become more common as an approach to mitigate potential impacts (pardon the
- [Happy 2014 from DBA!](https://danbrownandassociates.com/happy-2014-from-dba/) - Here is to a very Happy New Year from all of us at DBA! May the world of geotechnical and foundation engineering be full of fun surprises and challenging work for everyone! P.S. We hope you had a very Merry Christmas season as well! (Images courtesy of the World Wide Web).
- [Dan Brown Added to DFI Board and Educational Trust](https://danbrownandassociates.com/dan-brown-added-to-dfi-board-and-educational-trust/) - Dan has taken on some new responsibilities with the Deep Foundations Institute (DFI). He has joined both the Board of Directors and the Educational Trust Board as treasurer. From DFI: Dr. Dan Brown has joined the DFI Educational Trust Board and the DFI Board of Trustees as treasurer, effective January 1, 2014. Dr. Brown is
- [Drilled Shafts Complete at St Croix](https://danbrownandassociates.com/drilled-shafts-complete-at-st-croix/) - As reported by the Minneapolis Star Tribune, Case Foundation recently finished constructing 40 drilled shafts at the St Croix River Crossing Project. Since early June, Case has been working at a feverish pace to construct the drilled shaft foundations for the new extradosed bridge between Minnesota and Wisconsin. As of November 8th, all of the
- [Robert Receives NHI Award and Paul Becomes DFI Committee Chair](https://danbrownandassociates.com/robert-receives-nhi-award-and-paul-becomes-dfi-committee-chair/) - It was recently announced that Robert Thompson is being recognized by the National Highway Institute (NHI) as an NHI Instructor of Excellence for fiscal year 2012. This award is given to NHI instructors who receive consistently high classroom evaluation scores, demonstrated commitment to the NHI adult learning philosophy, and for maintaining the highest standard of
- [Tim Siegel Appointed New Co-Editor of DFI Journal](https://danbrownandassociates.com/tim-siegel-appointed-new-co-editor-of-dfi-journal/) - As Robert recently posted, Dan is taking on new roles at the Deep Foundations Institute (DFI) as a member of the DFI Educational Trust Board and as treasurer of the DFI Board of Trustees. Tim Siegel is now stepping in to fill Dan’s former role as co-editor of the DFI Journal. From DFI: February 24,

## Pages

- [About Us](https://danbrownandassociates.com/about/) - https://danbrownandassociates.com/about/About Us Specialists in Deep Foundation Design, Construction, and Testing and Slope Stability Problems
- [Publications](https://danbrownandassociates.com/publications/) - Publications available to the public have links to directly download the document. Documents requiring purchase or membership of an organization have links to the copyright holding organization for purchase or download. All applicable copyright laws and rights apply to the content of this site. The content of this page is provided for information and research
- [Contact Us](https://danbrownandassociates.com/contact-us/) - Dan Brown and Associates, LLC 2563 Willow Point Way Knoxville, TN 37931 423-942-8681 Use the form below to contact us via email. Please try to tell us a little bit about who you are - your company or organization, where you are located, what you do (contractor, engineer, etc.). The more information, the better! We'll

## Categories

- [Miscellaneous](https://danbrownandassociates.com/category/miscellaneous/)
- [Site updates](https://danbrownandassociates.com/category/site-updates/)
- [Drilled Shafts](https://danbrownandassociates.com/category/drilled-shafts/)
- [Driven Piles](https://danbrownandassociates.com/category/driven-piles/)
- [Slope Stability](https://danbrownandassociates.com/category/slope-stability/)
- [Drilled Piles](https://danbrownandassociates.com/category/drilled-piles/)
- [DBA News](https://danbrownandassociates.com/category/dba-news/)
- [Terzaghi & History](https://danbrownandassociates.com/category/terzaghi-and-history/)
- [Micropiles](https://danbrownandassociates.com/category/micropiles/)
- [Bridge Foundations](https://danbrownandassociates.com/category/bridge-foundations/)
- [Load Testing](https://danbrownandassociates.com/category/load-testing/)
- [Foundation Testing](https://danbrownandassociates.com/category/foundation-testing/)
- [Ground Improvement](https://danbrownandassociates.com/category/ground-improvement/)
- [Bridge Construction](https://danbrownandassociates.com/category/bridge-construction/)
- [Foundation Design](https://danbrownandassociates.com/category/foundation-design/)
- [Dynamic Testing](https://danbrownandassociates.com/category/dynamic-testing/)
- [Industry News and Events](https://danbrownandassociates.com/category/industry-news-and-events/)
- [Research](https://danbrownandassociates.com/category/research/)
- [Rockfall Hazard](https://danbrownandassociates.com/category/rockfall-hazard/)
- [Sesimic and Earthquakes](https://danbrownandassociates.com/category/sesimic-and-earthquakes/)
- [Geophysical](https://danbrownandassociates.com/category/geophysical/)
- [Instrumentation](https://danbrownandassociates.com/category/instrumentation/)
- [Integrity Testing](https://danbrownandassociates.com/category/integrity-testing/)

## Tags

- [Aaron Hudson](https://danbrownandassociates.com/tag/aaron-hudson/)
- [Deep Foundations](https://danbrownandassociates.com/tag/deep-foundations/)
- [Foundation Engineering](https://danbrownandassociates.com/tag/foundation-engineering/)
- [Drilled Shaft Construction](https://danbrownandassociates.com/tag/drilled-shaft-construction/)
- [Lateral Load Test](https://danbrownandassociates.com/tag/lateral-load-test/)
- [Foundation Construction](https://danbrownandassociates.com/tag/foundation-construction/)
- [Deep Foundation Construction](https://danbrownandassociates.com/tag/deep-foundation-construction/)
- [Geotechnical Engineering](https://danbrownandassociates.com/tag/geotechnical-engineering/)
- [Dynamic Pile Testing](https://danbrownandassociates.com/tag/dynamic-pile-testing/)
- [Karl Terzaghi](https://danbrownandassociates.com/tag/karl-terzaghi/)
- [Engineering History](https://danbrownandassociates.com/tag/engineering-history/)
- [Chicago](https://danbrownandassociates.com/tag/chicago/)
- [Chicago Subway](https://danbrownandassociates.com/tag/chicago-subway/)
- [Dr. Lymon Reese](https://danbrownandassociates.com/tag/dr-lymon-reese/)
- [University of Texas](https://danbrownandassociates.com/tag/university-of-texas/)
- [ADSC](https://danbrownandassociates.com/tag/adsc/)
- [Engineering Research](https://danbrownandassociates.com/tag/engineering-research/)
- [Biloxi Bay Bridge](https://danbrownandassociates.com/tag/biloxi-bay-bridge/)
- [DFI](https://danbrownandassociates.com/tag/dfi/)
- [Civil Engineering](https://danbrownandassociates.com/tag/civil-engineering/)
- [Parsons Transportation Group](https://danbrownandassociates.com/tag/parsons-transportation-group/)
- [Grout](https://danbrownandassociates.com/tag/grout/)
- [Corps of Engineers](https://danbrownandassociates.com/tag/corps-of-engineers/)
- [Dam Construction](https://danbrownandassociates.com/tag/dam-construction/)
- [Scot Litke](https://danbrownandassociates.com/tag/scot-litke/)
- [Mike Moore](https://danbrownandassociates.com/tag/mike-moore/)
- [Drilled Foundations](https://danbrownandassociates.com/tag/drilled-foundations/)
- [kcICON](https://danbrownandassociates.com/tag/kcicon/)
- [Roads and Bridges Magazine](https://danbrownandassociates.com/tag/roads-and-bridges-magazine/)
- [Twitter](https://danbrownandassociates.com/tag/twitter/)
- [Facebook](https://danbrownandassociates.com/tag/facebook/)
- [Picassa](https://danbrownandassociates.com/tag/picassa/)
- [You Tube](https://danbrownandassociates.com/tag/you-tube/)
- [RSS](https://danbrownandassociates.com/tag/rss/)
- [Social Networking](https://danbrownandassociates.com/tag/social-networking/)
- [RSS comments](https://danbrownandassociates.com/tag/rss-comments/)
- [iPhone](https://danbrownandassociates.com/tag/iphone/)
- [Android](https://danbrownandassociates.com/tag/android/)
- [Blackberry](https://danbrownandassociates.com/tag/blackberry/)
- [mobile viewing](https://danbrownandassociates.com/tag/mobile-viewing/)
- [Griff Wigley](https://danbrownandassociates.com/tag/griff-wigley/)
- [PDCA](https://danbrownandassociates.com/tag/pdca/)
- [Geo-Institute](https://danbrownandassociates.com/tag/geo-institute/)
- [Earth Retention](https://danbrownandassociates.com/tag/earth-retention/)
- [Transportation Research Board](https://danbrownandassociates.com/tag/transportation-research-board/)
- [Merry Christmas](https://danbrownandassociates.com/tag/merry-christmas/)
- [Dan Brown and Associates](https://danbrownandassociates.com/tag/dan-brown-and-associates/)
- [Dan Brown](https://danbrownandassociates.com/tag/dan-brown/)
- [Faceboook](https://danbrownandassociates.com/tag/faceboook/)
- [YouTube](https://danbrownandassociates.com/tag/youtube/)
- [Tim Siegel](https://danbrownandassociates.com/tag/tim-siegel/)
- [karst](https://danbrownandassociates.com/tag/karst/)
- [seismic design](https://danbrownandassociates.com/tag/seismic-design/)
- [Soil Testing](https://danbrownandassociates.com/tag/soil-testing/)
- [Loess](https://danbrownandassociates.com/tag/loess/)
- [Load Testing. Mississippi River Bridge](https://danbrownandassociates.com/tag/load-testing-mississippi-river-bridge/)
- [MoDOT](https://danbrownandassociates.com/tag/modot/)
- [IDOT](https://danbrownandassociates.com/tag/idot/)
- [FHWA](https://danbrownandassociates.com/tag/fhwa/)
- [Trials Training Center](https://danbrownandassociates.com/tag/trials-training-center/)
- [Alex Bedley](https://danbrownandassociates.com/tag/alex-bedley/)
- [Social Media](https://danbrownandassociates.com/tag/social-media/)
- [Picasa](https://danbrownandassociates.com/tag/picasa/)
- [Audubon Bridge](https://danbrownandassociates.com/tag/audubon-bridge/)
- [Tip-grouting](https://danbrownandassociates.com/tag/tip-grouting/)
- [Base Grouting](https://danbrownandassociates.com/tag/base-grouting/)
- [Steve Dapp](https://danbrownandassociates.com/tag/steve-dapp/)
- [Kansas City](https://danbrownandassociates.com/tag/kansas-city/)
- [The Academy of Geo-Professionals](https://danbrownandassociates.com/tag/the-academy-of-geo-professionals/)
- [ASCE](https://danbrownandassociates.com/tag/asce/)
- [Test Piles](https://danbrownandassociates.com/tag/test-piles/)
- [H-Piles](https://danbrownandassociates.com/tag/h-piles/)
- [Pipe Piles](https://danbrownandassociates.com/tag/pipe-piles/)
- [Jet Grouting](https://danbrownandassociates.com/tag/jet-grouting/)
- [GeoFlorida](https://danbrownandassociates.com/tag/geoflorida/)
- [Ralph Peck](https://danbrownandassociates.com/tag/ralph-peck/)
- [O-cell](https://danbrownandassociates.com/tag/o-cell/)
- [Mississippi River Bridge](https://danbrownandassociates.com/tag/mississippi-river-bridge/)
- [Drilled Shaft Design](https://danbrownandassociates.com/tag/drilled-shaft-design/)
- [NHI](https://danbrownandassociates.com/tag/nhi/)
- [New Orleans](https://danbrownandassociates.com/tag/new-orleans/)
- [Pile Load Tests](https://danbrownandassociates.com/tag/pile-load-tests/)
- [Kiewit](https://danbrownandassociates.com/tag/kiewit/)
- [Hastings Minnesota](https://danbrownandassociates.com/tag/hastings-minnesota/)
- [Terzaghi and Peck](https://danbrownandassociates.com/tag/terzaghi-and-peck/)
- [Soil Mechanics](https://danbrownandassociates.com/tag/soil-mechanics/)
- [LinkedIn](https://danbrownandassociates.com/tag/linkedin/)
- [Rock Anchors](https://danbrownandassociates.com/tag/rock-anchors/)
- [David Graham](https://danbrownandassociates.com/tag/david-graham/)
- [Robert Thompson](https://danbrownandassociates.com/tag/robert-thompson/)
- [blogging](https://danbrownandassociates.com/tag/blogging/)
- [cement](https://danbrownandassociates.com/tag/cement/)
- [bentonite](https://danbrownandassociates.com/tag/bentonite/)
- [Stabilization](https://danbrownandassociates.com/tag/stabilization/)
- [Load Test](https://danbrownandassociates.com/tag/load-test/)
- [Cable-Stayed](https://danbrownandassociates.com/tag/cable-stayed/)
- [Drilled Piers](https://danbrownandassociates.com/tag/drilled-piers/)
- [CGE](https://danbrownandassociates.com/tag/cge/)
- [cast-in-placed displacement piles](https://danbrownandassociates.com/tag/cast-in-placed-displacement-piles/)
- [spread foundation](https://danbrownandassociates.com/tag/spread-foundation/)
- [spread footing](https://danbrownandassociates.com/tag/spread-footing/)
- [Bridge Replacement](https://danbrownandassociates.com/tag/bridge-replacement/)
- [Reuse Foundations](https://danbrownandassociates.com/tag/reuse-foundations/)
- [Mike O'Neill](https://danbrownandassociates.com/tag/mike-oneill/)
- [Auburn University](https://danbrownandassociates.com/tag/auburn-university/)
- [FIGG Bridge](https://danbrownandassociates.com/tag/figg-bridge/)
- [Cable-stayed Bridge](https://danbrownandassociates.com/tag/cable-stayed-bridge/)
- [augercast](https://danbrownandassociates.com/tag/augercast/)
- [CFA Piles](https://danbrownandassociates.com/tag/cfa-piles/)
- [ACIP Piles](https://danbrownandassociates.com/tag/acip-piles/)
- [LRFD](https://danbrownandassociates.com/tag/lrfd/)
- [Piedmont Rocks](https://danbrownandassociates.com/tag/piedmont-rocks/)
- [Foundation Research](https://danbrownandassociates.com/tag/foundation-research/)
- [Geotechnical Engineering Research](https://danbrownandassociates.com/tag/geotechnical-engineering-research/)
- [Erik Loehr](https://danbrownandassociates.com/tag/erik-loehr/)
- [John Turner](https://danbrownandassociates.com/tag/john-turner/)
- [Geo-Strata](https://danbrownandassociates.com/tag/geo-strata/)
- [Cofferdams](https://danbrownandassociates.com/tag/cofferdams/)
- [Louisiana Civil Engineer](https://danbrownandassociates.com/tag/louisiana-civil-engineer/)
- [DFI Journal](https://danbrownandassociates.com/tag/dfi-journal/)
- [Settlement](https://danbrownandassociates.com/tag/settlement/)
- [Composite Ground](https://danbrownandassociates.com/tag/composite-ground/)
- [Shallow Foundation](https://danbrownandassociates.com/tag/shallow-foundation/)
- [Driving Criteria](https://danbrownandassociates.com/tag/driving-criteria/)
- [NCHRP](https://danbrownandassociates.com/tag/nchrp/)
- [TRB](https://danbrownandassociates.com/tag/trb/)
- [GeoWorld](https://danbrownandassociates.com/tag/geoworld/)
- [Geoegineer](https://danbrownandassociates.com/tag/geoegineer/)
- [ISSMGE](https://danbrownandassociates.com/tag/issmge/)
- [Casagrande](https://danbrownandassociates.com/tag/casagrande/)
- [Taiwan Geotechnical Society](https://danbrownandassociates.com/tag/taiwan-geotechnical-society/)
- [Loadtest](https://danbrownandassociates.com/tag/loadtest/)
- [PWR](https://danbrownandassociates.com/tag/pwr/)
- [Michael Holloway](https://danbrownandassociates.com/tag/michael-holloway/)
- [Duke University](https://danbrownandassociates.com/tag/duke-university/)
- [DBA](https://danbrownandassociates.com/tag/dba/)
- [I-70 Mississippi River Bridge](https://danbrownandassociates.com/tag/i-70-mississippi-river-bridge/)
- [Paul Axtell](https://danbrownandassociates.com/tag/paul-axtell/)
- [St. Louis](https://danbrownandassociates.com/tag/st-louis/)
- [ENR](https://danbrownandassociates.com/tag/enr/)
- [ADSC EXPO 2012](https://danbrownandassociates.com/tag/adsc-expo-2012/)
- [Geo-Institute. GeoCongress 2012](https://danbrownandassociates.com/tag/geo-institute-geocongress-2012/)
- [Bridge Girders](https://danbrownandassociates.com/tag/bridge-girders/)
- [MnDOT](https://danbrownandassociates.com/tag/mndot/)
- [NGES](https://danbrownandassociates.com/tag/nges/)
- [Statnamic](https://danbrownandassociates.com/tag/statnamic/)
- [Superpile](https://danbrownandassociates.com/tag/superpile/)
- [Post-Grouted Drilled Shafts](https://danbrownandassociates.com/tag/post-grouted-drilled-shafts/)
- [Mike Hollowy](https://danbrownandassociates.com/tag/mike-hollowy/)
- [Duke](https://danbrownandassociates.com/tag/duke/)
- [InSituTech](https://danbrownandassociates.com/tag/insitutech/)
- [Woodward-Clyde](https://danbrownandassociates.com/tag/woodward-clyde/)
- [Waterways Esperiment Station](https://danbrownandassociates.com/tag/waterways-esperiment-station/)
- [Bengt Fellenius](https://danbrownandassociates.com/tag/bengt-fellenius/)
- [Bridge Scour](https://danbrownandassociates.com/tag/bridge-scour/)
- [Rock Mechanics](https://danbrownandassociates.com/tag/rock-mechanics/)
- [Nathan Glinski](https://danbrownandassociates.com/tag/nathan-glinski/)
- [Georgia Tech](https://danbrownandassociates.com/tag/georgia-tech/)
- [Georgia Institute of Technology](https://danbrownandassociates.com/tag/georgia-institute-of-technology/)
- [Site updates Bridge Construction](https://danbrownandassociates.com/tag/site-updates-bridge-construction/)
- [Jorge Osterberg](https://danbrownandassociates.com/tag/jorge-osterberg/)
- [Osterberg Lecture](https://danbrownandassociates.com/tag/osterberg-lecture/)
- [The Moles](https://danbrownandassociates.com/tag/the-moles/)
- [MWGC](https://danbrownandassociates.com/tag/mwgc/)
- [ODOT](https://danbrownandassociates.com/tag/odot/)
- [STGEC](https://danbrownandassociates.com/tag/stgec/)
- [VDOT](https://danbrownandassociates.com/tag/vdot/)
- [Drilled Displacement Piles](https://danbrownandassociates.com/tag/drilled-displacement-piles/)
- [lateral load design](https://danbrownandassociates.com/tag/lateral-load-design/)
- [NDT](https://danbrownandassociates.com/tag/ndt/)
- [Non-Destructive Testing](https://danbrownandassociates.com/tag/non-destructive-testing/)
- [Dynamic Loading](https://danbrownandassociates.com/tag/dynamic-loading/)
- [Static Testing](https://danbrownandassociates.com/tag/static-testing/)
- [Pile Groups](https://danbrownandassociates.com/tag/pile-groups/)
- [Barry J. Meyer](https://danbrownandassociates.com/tag/barry-j-meyer/)
- [Terzaghi](https://danbrownandassociates.com/tag/terzaghi/)
- [Huey P. Long Bridge](https://danbrownandassociates.com/tag/huey-p-long-bridge/)
- [ASCE Civil Engineering Landmark](https://danbrownandassociates.com/tag/asce-civil-engineering-landmark/)
- [Hastings Bridge](https://danbrownandassociates.com/tag/hastings-bridge/)
- [Bridge Span](https://danbrownandassociates.com/tag/bridge-span/)
- [Arch Bridge](https://danbrownandassociates.com/tag/arch-bridge/)
- [Flatiron](https://danbrownandassociates.com/tag/flatiron/)
- [Ronaldo Luna](https://danbrownandassociates.com/tag/ronaldo-luna/)
- [Missouri S & T](https://danbrownandassociates.com/tag/missouri-s-t/)
- [Live Load Test](https://danbrownandassociates.com/tag/live-load-test/)
- [Smoky Mountains](https://danbrownandassociates.com/tag/smoky-mountains/)
- [Paul Mayne](https://danbrownandassociates.com/tag/paul-mayne/)
- [Piedmont](https://danbrownandassociates.com/tag/piedmont/)
- [Geology](https://danbrownandassociates.com/tag/geology/)
- [Deep Foundations Committee](https://danbrownandassociates.com/tag/deep-foundations-committee/)
- [DFI Newsletter](https://danbrownandassociates.com/tag/dfi-newsletter/)
- [Granite](https://danbrownandassociates.com/tag/granite/)
- [Best of the Best](https://danbrownandassociates.com/tag/best-of-the-best/)
- [LADOTD](https://danbrownandassociates.com/tag/ladotd/)
- [Resistance Factors](https://danbrownandassociates.com/tag/resistance-factors/)
- [LTRC](https://danbrownandassociates.com/tag/ltrc/)
- [GeoPrac](https://danbrownandassociates.com/tag/geoprac/)
- [Louisiana TIMED](https://danbrownandassociates.com/tag/louisiana-timed/)
- [Geofoam](https://danbrownandassociates.com/tag/geofoam/)
- [Sundt Construction](https://danbrownandassociates.com/tag/sundt-construction/)
- [Burkhalter](https://danbrownandassociates.com/tag/burkhalter/)
- [TxDOT](https://danbrownandassociates.com/tag/txdot/)
- [Iowa State University](https://danbrownandassociates.com/tag/iowa-state-university/)
- [University of Illinois at Urbana-Champaign](https://danbrownandassociates.com/tag/university-of-illinois-at-urbana-champaign/)
- [Illinois Center for Transportation](https://danbrownandassociates.com/tag/illinois-center-for-transportation/)
- [Iowa State University Institute for Transportation](https://danbrownandassociates.com/tag/iowa-state-university-institute-for-transportation/)
- [St Croix Bridge](https://danbrownandassociates.com/tag/st-croix-bridge/)
- [Concrete Arch](https://danbrownandassociates.com/tag/concrete-arch/)
- [Concrete Network Arch](https://danbrownandassociates.com/tag/concrete-network-arch/)
- [Design-Build](https://danbrownandassociates.com/tag/design-build/)
- [Transportation Design and Construction](https://danbrownandassociates.com/tag/transportation-design-and-construction/)
- [GeoPrac.net](https://danbrownandassociates.com/tag/geoprac-net/)
- [Geoengineer.org](https://danbrownandassociates.com/tag/geoengineer-org/)
- [Hurricane Deck Bridge](https://danbrownandassociates.com/tag/hurricane-deck-bridge/)
- [New Mississippi River Bridge](https://danbrownandassociates.com/tag/new-mississippi-river-bridge/)
- [IFCEE 2015](https://danbrownandassociates.com/tag/ifcee-2015/)
- [G-I](https://danbrownandassociates.com/tag/g-i/)
- [Deep Foundation Design](https://danbrownandassociates.com/tag/deep-foundation-design/)
- [Leo Frigo Bridge](https://danbrownandassociates.com/tag/leo-frigo-bridge/)
- [Wisconsin DOT](https://danbrownandassociates.com/tag/wisconsin-dot/)
- [Foundation Failure](https://danbrownandassociates.com/tag/foundation-failure/)
- [Pile Corrosion](https://danbrownandassociates.com/tag/pile-corrosion/)
- [Berkel & Company](https://danbrownandassociates.com/tag/berkel-company/)
- [Augercast Piles](https://danbrownandassociates.com/tag/augercast-piles/)
- [Zenith Tech Inc.](https://danbrownandassociates.com/tag/zenith-tech-inc/)
- [Tappan Zee Bridge](https://danbrownandassociates.com/tag/tappan-zee-bridge/)
- [Bubble Curtain](https://danbrownandassociates.com/tag/bubble-curtain/)
- [Geological Engineering](https://danbrownandassociates.com/tag/geological-engineering/)
- [Sellwood Bridge](https://danbrownandassociates.com/tag/sellwood-bridge/)
- [DFI Educational Trust](https://danbrownandassociates.com/tag/dfi-educational-trust/)
- [featured](https://danbrownandassociates.com/tag/featured/)
- [responsive web design](https://danbrownandassociates.com/tag/responsive-web-design/)
- [Rob Saunders](https://danbrownandassociates.com/tag/rob-saunders/)
- [Ben Turner](https://danbrownandassociates.com/tag/ben-turner/)
- [earthquake engineering](https://danbrownandassociates.com/tag/earthquake-engineering/)
- [Brigham Young University](https://danbrownandassociates.com/tag/brigham-young-university/)
- [Lateral resitance](https://danbrownandassociates.com/tag/lateral-resitance/)
- [Highway Bridge Foundations](https://danbrownandassociates.com/tag/highway-bridge-foundations/)
- [Liquefaction](https://danbrownandassociates.com/tag/liquefaction/)
- [UCLA](https://danbrownandassociates.com/tag/ucla/)
- [Pacific Earthquake Engineering Research Center](https://danbrownandassociates.com/tag/pacific-earthquake-engineering-research-center/)
- [Goethals Bridge](https://danbrownandassociates.com/tag/goethals-bridge/)
- [Sacramento Arena](https://danbrownandassociates.com/tag/sacramento-arena/)
- [Malcolm Drilling](https://danbrownandassociates.com/tag/malcolm-drilling/)
- [Turner Construction](https://danbrownandassociates.com/tag/turner-construction/)
- [Omega piles](https://danbrownandassociates.com/tag/omega-piles/)
- [Pressure Grouted PIles](https://danbrownandassociates.com/tag/pressure-grouted-piles/)
- [Mesabi Iron Range](https://danbrownandassociates.com/tag/mesabi-iron-range/)
- [Hwy 53](https://danbrownandassociates.com/tag/hwy-53/)
- [Virginia Minnesota](https://danbrownandassociates.com/tag/virginia-minnesota/)
- [rockfall](https://danbrownandassociates.com/tag/rockfall/)
- [Synthesis Report](https://danbrownandassociates.com/tag/synthesis-report/)
- [Drilled Shafts](https://danbrownandassociates.com/tag/drilled-shafts/)
- [Driven Piles](https://danbrownandassociates.com/tag/driven-piles/)
- [Slope Stability](https://danbrownandassociates.com/tag/slope-stability/)
- [Micropiles](https://danbrownandassociates.com/tag/micropiles/)
- [Bridge Foundations](https://danbrownandassociates.com/tag/bridge-foundations/)
- [Load Testing](https://danbrownandassociates.com/tag/load-testing/)
- [Foundation Testing](https://danbrownandassociates.com/tag/foundation-testing/)
- [Ground Improvement](https://danbrownandassociates.com/tag/ground-improvement/)
- [Bridge Construction](https://danbrownandassociates.com/tag/bridge-construction/)
- [Foundation Design](https://danbrownandassociates.com/tag/foundation-design/)
- [Parsons](https://danbrownandassociates.com/tag/parsons/)
- [Goethals Bridge Replacement](https://danbrownandassociates.com/tag/goethals-bridge-replacement/)
- [Stillwater](https://danbrownandassociates.com/tag/stillwater/)
- [Golden Beaver Award](https://danbrownandassociates.com/tag/golden-beaver-award/)
- [The Beavers](https://danbrownandassociates.com/tag/the-beavers/)
- [A-Cell](https://danbrownandassociates.com/tag/a-cell/)
- [Bi-directional load cell](https://danbrownandassociates.com/tag/bi-directional-load-cell/)
- [PDA](https://danbrownandassociates.com/tag/pda/)
- [Mobile River Bridge](https://danbrownandassociates.com/tag/mobile-river-bridge/)
- [ALDOT](https://danbrownandassociates.com/tag/aldot/)
- [Static Load Test](https://danbrownandassociates.com/tag/static-load-test/)
- [GEER](https://danbrownandassociates.com/tag/geer/)
- [2018 Tennessee Earthquake](https://danbrownandassociates.com/tag/2018-tennessee-earthquake/)
- [Seismic Event](https://danbrownandassociates.com/tag/seismic-event/)
- [Seismic Enigneering](https://danbrownandassociates.com/tag/seismic-enigneering/)
- [Extreme Events](https://danbrownandassociates.com/tag/extreme-events/)
- [GEC 10](https://danbrownandassociates.com/tag/gec-10/)
- [Emory Sapp & Sons](https://danbrownandassociates.com/tag/emory-sapp-sons/)
- [I-44](https://danbrownandassociates.com/tag/i-44/)
- [bridge rehabilitation](https://danbrownandassociates.com/tag/bridge-rehabilitation/)
- [geophysics](https://danbrownandassociates.com/tag/geophysics/)
- [geophysical](https://danbrownandassociates.com/tag/geophysical/)
- [transportation](https://danbrownandassociates.com/tag/transportation/)
- [electrical resistivity](https://danbrownandassociates.com/tag/electrical-resistivity/)
- [GPR](https://danbrownandassociates.com/tag/gpr/)
- [ground-penetrating radar](https://danbrownandassociates.com/tag/ground-penetrating-radar/)
- [seismic](https://danbrownandassociates.com/tag/seismic/)
- [refraction](https://danbrownandassociates.com/tag/refraction/)
- [tomography](https://danbrownandassociates.com/tag/tomography/)
- [subsurface imaging](https://danbrownandassociates.com/tag/subsurface-imaging/)
- [instrumentation](https://danbrownandassociates.com/tag/instrumentation/)
- [Thermal Testing](https://danbrownandassociates.com/tag/thermal-testing/)
- [Risk Assessment](https://danbrownandassociates.com/tag/risk-assessment/)
- [Excavation Support](https://danbrownandassociates.com/tag/excavation-support/)
- [Vibro-stone columns](https://danbrownandassociates.com/tag/vibro-stone-columns/)
- [cutter soil mising](https://danbrownandassociates.com/tag/cutter-soil-mising/)
- [settlement mitigation](https://danbrownandassociates.com/tag/settlement-mitigation/)
- [liquefaction mitigation](https://danbrownandassociates.com/tag/liquefaction-mitigation/)
- [TDOT](https://danbrownandassociates.com/tag/tdot/)
- [Hurricane Helene Bridge Repair](https://danbrownandassociates.com/tag/hurricane-helene-bridge-repair/)