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Evaluation of the Stress Distributions on Gusset Plate Connections in Historic Steel Truss Bridges

 Evaluation of the Stress Distributions on Gusset Plate Connections in Historic Steel Truss Bridges
Author(s):
Presented at IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015, published in , pp. 224-225
DOI: 10.2749/222137815815774665
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A new evaluation procedure for the gusset plate connection in steel truss bridges is presented in this paper. First, a finite element (FE) model of gusset plate connection subassemblage is built to...
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Bibliographic Details

Author(s):
Medium: conference paper
Language(s): English
Conference: IABSE Conference: Elegance in structures, Nara, Japan, 13-15 May 2015
Published in:
Page(s): 224-225 Total no. of pages: 8
Page(s): 224-225
Total no. of pages: 8
Year: 2015
DOI: 10.2749/222137815815774665
Abstract:

A new evaluation procedure for the gusset plate connection in steel truss bridges is presented in this paper. First, a finite element (FE) model of gusset plate connection subassemblage is built to accurately represent stress distributions on gusset plates. Then, approximate stress distribution models at the critical sections of a gusset plate are developed by observation and compare with the FE results as well as the methods used in current practice. These approximate stress distribution models show good agreement with the FE results. The maximum Von Mises stress on the gusset plate can be quickly calculated by using these approximated stress distribution models. The procedure developed in this paper provides bridge engineers a more accurate method to evaluate the remaining strength of gusset plate connections in historic and aged steel truss bridge.

Keywords:
gusset plate Steel Truss Bridge gusset plate connection elastic stress distributions critical sections Whitmore''s method