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Evaluation Of Redundancy Of Twin Steel Box-Girder Bridges, Huy V. Pham
Evaluation Of Redundancy Of Twin Steel Box-Girder Bridges, Huy V. Pham
FIU Electronic Theses and Dissertations
Based on the definition given in the AASHTO LRFD Bridge Design Specifications, twin steel box-girder bridges are classified as bridges with fracture critical members (FCMs), in which a failure of a tension member is expected to lead to a collapse of the bridge. However, a number of such bridges with either a partial or full-depth crack in one girder have been reported and are still providing service without collapsing. The main objective of this research project is to understand the behavior of twin steel box-girder bridges and to develop methods for evaluating their redundancy level in the event of the …