Computer Simulation of the Overload Behavior of Steel Multigirder Bridges with Cracked Girders

by Celal N. Kostem, Lehigh Univ, Bethlehem, PA, USA,
Thomas A. Lenox, Lehigh Univ, Bethlehem, PA, USA,

Document Type: Proceeding Paper

Abstract: Various approaches of determining the structural response of steel multigirder bridges with cracked girders are presented. It is noted that linear finite element packages with three dimensional modeling capabilities give sufficiently accurate results. The computer time for the proposed approach is two orders of magnitude faster than the nonlinear analysis of the bridges.

Subject Headings: Girder bridges | Steel bridges | Finite element method | Cracking | Three-dimensional models | Model accuracy | Computer models | Vehicle loads

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