Validation and implementation of bridge design specifications for barge impact loading : [summary].
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2014-07-01
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Abstract:With the amount of water-borne traffic and the number of bridges in Florida, collisions between vessels and bridges are inevitable. Few are as devastating as the 1980 collision of a freighter with the Sunshine Skyway Bridge, which took 35 lives and ended the bridge’s service life, requiring construction of a new bridge. Nevertheless, every collision between a vessel and a bridge is dangerous for the vessel and its occupants, as well as the bridge and its many users. Collisions often lead to closures and expensive repairs.
This project is one in a series conducted by University of Florida (UF) researchers working with the Florida Department of Transportation (FDOT) to improve procedures for impact-resistant bridge design. Standard procedures for this were published over 20 years ago by AASHTO; since then, UF and FDOT have improved considerably upon them. The focus of this work was experimental validation of an improved UF/FDOT barge impact load-prediction model and implementation of numerous other UF/FDOT procedures into a comprehensive risk assessment methodology that can be readily adopted for use in bridge design.
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