Dan Brown and Associates, LLC

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 load tests for drilled shaft foundations in shale for a bridge in Alabama. The loadtests, analysis, and design recommendations were done as part of a research project on drilled shafts Dan was doing for ALDOT. My thesis work was part of the research project.

I am slowly working on getting as many of our publications on the site as possible. Thank you for your patience!

Thompson, W.R. and Brown, D.A., 1994. “Axial Response of Drilled Shafts in Intermediate Geomaterials in the Southeast,” Recent Advances in Deep Foundations - Proceedings, Ohio River Valley Soils Seminar XXV, Lexington, Kentucky, pp 3-1 - 3-10.

Brown,D.A. and Thompson, W.R., 1994. Drilled Shaft Foundation Testing and Design Recommendations, I-65 over Mulberry Fork of the Warrior River, Blount/Cullman Counties,Alabama,Highway Research Center, Auburn University, Alabama, January, 1994.

Technorati : Bridge Foundations, Deep Foundations, Drilled Shafts, Engineering Research, Foundation Construction, Geotechnical Engineering, Load Test, Test Shaft

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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 is now underway in order to incorporate advances in design and construction of drilled shaft foundations. The effort will include a comprehensive review and analysis of load test results from all over the country in a variety of soil and rock formations in order to review and modify the recommended design methodologies. The team of authors that has been assembled includes:

Dr. Dan Brown, P.E. - Auburn University and DBA

Dr. John Turner, P.E. - University of Wyoming

Dr. Jim Long, P.E. - University of Illinois (Urbana-Champaign)

Ray Castelli, P.E. - PB (Parsons Brinckerhoff)

The author team will be assisted by Dr. Tom Sandford, P.E. of the University of Maine as well as graduate and post-doc students at the various universities. The team will also rely on input from designers and contractors in the drilled shaft industry. PB (Parsons Brinckerhoff) is the contract administrator for the manual update project. Jeremy Hung, P.E. is the PB project manager. The revised manual is planned to be available sometime in 2008.

Technorati : Bridge Foundations, Deep Foundations, Drilled Piles, Drilled Shafts, Engineering Research, Foundation Construction, Foundations, Geotechnical Engineering, Load Test, Specifications, Test Shaft

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