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 … Continue reading Audubon (JJA) Bridge Construction Update – April 09 →
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 … Continue reading Audubon (JJA) Bridge Construction Update →
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 … Continue reading Progress 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 … Continue reading First Test Shaft Started at Audubon Bridge →
(Photo credit: enr.com) Project Officially Completed February 27, 2012. Download DBA Project Summary Sheet – JJA Bridge Dapp, S.D. and Brown, D.A. (2010). “Evaluation of Base Grouted Drilled Shafts at the Audubon Bridge”, GeoFlorida 2010, Advances in Analysis, Modeling and Design, Geotechnical Special Publication No. 199, ASCE, pp1553-1562. Geo-Florida 2010 presentation by Dr. Steve Dapp. … Continue reading John James Audubon Bridge, New Roads, Louisiana →
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 … Continue reading Trial Drilled Shaft at Audubon Bridge →
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 … Continue reading Audubon Bridge and US 90 Bridge Updates →
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 … Continue reading Dr. Steve Dapp…in Taiwan! →
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 … Continue reading A Foundation Engineering Trip Down the Mississippi River →
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, … Continue reading Geo-Florida 2010 Papers posted →