Cooper River Bridge - SC
The Cooper River Bridge is the longest suspension bridge on the east coast of the United States. Contractors constructed more than 400 drilled shafts to support the 2.5 mile bridge from Charleston S.C. to Mt. Pleasant S.C. spanning the Cooper River. The South Carolina Department of Transportation and Parsons Brinckerhoff utilized Osterberg Cell technology to confirm shaft design. LOADTEST completed a total of 14 O-cell tests on this project.
The first 12 tests (five single level and seven multi-level) were performed for TreviIcos Corporation during the fall of 2000 on dedicated test shafts. The shaft diameters were 72-inches and 96-inches and depths from 100-ft to 150 ft. LOADTEST also performed CSL and Sonic Calipering for TreviIcos during this testing phase. Representatives of TreviIcos, SM&E and the South Carolina Department of Transportation observed the shaft construction and testing.
LOADTEST returned to Charleston in February 2002 to test two 60-inch diameter production shafts for Case Atlantic Co. These multi-level O-cell tests yielded loads of combined side shear and end bearing load of 14,064 kips (63MN) for the 222 –ft. deep shaft and 13,295 kips (59MN) for the 225-ft. deep shaft. Representatives of Palmetto Bridge Constructors and Parsons Brinckerhoff were present to observe the testing. Mr. Michael Ahrens, P.E. was the Project Manager for LOADTEST.
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- Cooper River Bridge - SC
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