Comparative Study for Buckling Resistance of Steel Sheets Provided with Stiffeners Used in Bridge Structures

Marian Daraban 1
  • 1 Assistant, PhD, Technical University of Civil Engineering, Faculty of Railways, Roads and Bridges

Abstract

The subject discussed in this paper is based on an experimental bridge model which was built to study the pre-critical and post-critical buckling behaviour of steel webs of box girders provided with longitudinal and transversal stiffeners. The article presents a comparison between the experimental results and the numerical ones for buckling resistance of stiffened steel webs. For this purpose two types of analysis will be carried out: an analysis to establish the values and eigenvectors of buckling, after which the critical factor for the first mode of buckling will be obtained, and then a geometrical and physical nonlinear analysis will be performed.

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