A research project sponsored by the SE chapter of ADSC is back on track and preparing for more field tests of rock-socketed drilled shafts in rocks of the Piedmont. Click through to Dan Brown and Associates for more details. [Source: Dan Brown and Associates, PC. Image: DBA]
The excavation has been completed for the access shaft or rescue shaft that was needed to be able to remove the damaged cutterhead of the Bertha TBM on the Alaskan Way Viaduct Replacement project in […]
Dr. Jorj O. Osterberg, inventor of the Osterberg Cell or "O-Cell" used for drilled shaft load tests has passed away at the age of 93. According to the Association of Drilled Shaft Contractors or ADSC, he died peacefully in his sleep on June 1, 2008. The geotechnical community has lost a truly legendary figure in our field.
Osterberg held degrees from Columbia, Harvard and Cornell Universities. He was a Professor Emeritus from Northwestern University. He was a former Chairman of the Soil Mechanics and Foundation Division of the ASCE, an Honorary Member of ASCE, and a member of the National Academy of Engineering. He delivered the Terzaghi Lecture in 1985, and later received the Terzaghi Award. He was one of the last surviving founding members of the International Society of Soil Mechanics and Foundation Engineering. He received the Distinguished Service Award from the Deep Foundations Institute and the Lifetime Achievement Award from the Association of Drilled Shaft Contractors. (Adapted from a bio for the 2001 Burmister Lecture, Department of Civil Engineering and Engineering Mechanics, Columbia University). Read on for more.
Hanover, MD, November 30, 2021 – Keller North America (Keller) announces the acquisition of Voges Drilling Inc., a drilled shaft contractor in New Braunfels, Texas, with over 30 years of experience. Voges will now operate as Keller. Combining their […]
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