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Settlement of Pier on Leo Frigo Bridge - Photo by H. Marc Larson/Gannett Wisconsin Media
Failures

Leo Frigo Bridge in Green Bay, Wisconsin Pier Settles

September 30, 2013 rockman Failures Comments Off on Leo Frigo Bridge in Green Bay, Wisconsin Pier Settles

Pier 22 of the Leo Frigo Bridge settled 22 to 27 inches last week causing a 400 foot long segment of the bridge to sag dramatically, forcing the closure of the bridge. There were no […]

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 […]

Failures

Landslide Just Misses Viaduct Piers in Turkey

May 2, 2023 rockman Failures, Geologic Hazards Comments Off on Landslide Just Misses Viaduct Piers in Turkey

A major landslide was captured on video narrowly missing piers for a viaduct under construction at the Yusufeli Dam site in Artvin, Turkey. The slide appears to be on an engineered cut slope benched into […]