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A geotechnical 'monument' - An 11-foot diameter limestone rock core excavated for the I-70 crossing of the Mississippi River. David Graham of Dan Brown and Associates is pictured visiting the monument.
Miscellaneous

‘Geotechnical Monument’ in St. Louis

November 29, 2012 rockman Miscellaneous Comments Off on ‘Geotechnical Monument’ in St. Louis

An 11-foot diameter limestone core has become a ‘geotechnical monument’ of sorts according to the good folks at Dan Brown and Associates. DBA was the geotechnical designer for a new bridge carrying I-70 over the […]

O-Cell frame being lowered into drilled shaft excavation at New Mississipi River Bridge on I-70 project.
Project Related

World Record O-Cell Load Test in St. Louis, MO!

August 23, 2010 rockman Project Related Comments Off on World Record O-Cell Load Test in St. Louis, MO!

My colleage Robert Thompson at Dan Brown and Associates has posted about the World Record O-Cell test they were involved in on the new Mississippi River Bridge for I-70 in St. Louis, Missouri. The new […]

Project Related

Boston’s Big Dig Finally Complete

January 4, 2008 rockman Project Related Comments Off on Boston’s Big Dig Finally Complete

The $14.8 billion project that has constructed a dizzying array of underground highways, bridges, ramps and tunnels in the middle of Boston has finally ended. The end of 2007 apparently was also the end of the Bechtel/Parsons Brinkerhoff joint venture that designed and built the project. More… (Photo by brewrat)

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