2014•Transportation Research Board eBooksRequires access

Bridge System Safety and Redundancy

Michel Ghosn, Jian Yang, D L Beal, Bala Sivakumar, University of Washington

Abstract

This report develops a method to calibrate system factors that can be applied during the design and load capacity evaluation of highway bridges to account for bridge redundancy and system safety. The proposed system factors can be used during the design and safety assessment of bridges subjected to distributed lateral load being evaluated using the displacement-based approach specified in the AASHTO Guide Specifications for LRFD Seismic Bridge Design or the traditional force-based approach. Also, the report presents system factors calibrated for application with bridge systems subjected to vertical vehicular loads.

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Key concepts: Bridge (graph theory), Redundancy (engineering), Structural engineering, Engineering, Computer science, Forensic engineering, Reliability engineering, Medicine