Numerical study on steel plate girders ‐ Intermediate transverse stiffeners axial force

Author:

Nascimento Sérgio1,Pedro José Oliveira1,Kuhlmann Ulrike2

Affiliation:

1. CERIS, Instituto Superior Técnico University of Lisbon Lisbon Portugal

2. Institute for Structural Design University of Stuttgart Stuttgart Germany

Abstract

AbstractTransverse stiffeners are used in steel plate girders with slender webs to provide lateral support to the web along the span and thus increase the plate girder shear resistance. Furthermore, transverse stiffeners anchor the tension field, resulting in axial compression in the stiffener. Despite this, it is widely assumed that the design axial force provided by the FprEN 1993‐1‐5 [1] for the transverse stiffeners is significantly greater than that observed in experimental testing and numerical simulations.The results of 550 nonlinear numerical simulations of plate girders loaded in shear up to failure are presented. Shear resistance and axial stiffener forces are evaluated while the effects of a wide parameter range as web aspect ratio and thickness, flange‐to‐web area ratio, and steel grade are investigated. The numerical results are compared to the European standard design values. Finally, a statistical analysis of the set of results is presented.The numerical analyses show that the axial forces installed in the intermediate transverse stiffeners are significantly lower than those specified by FprEN 1993‐1‐5 [1].

Funder

Fundação para a Ciência e a Tecnologia

Civil Engineering Research and Innovation for Sustainability

Publisher

Wiley

Subject

General Earth and Planetary Sciences,General Environmental Science

Reference33 articles.

1. FprEN 1993‐1‐5(2022)Eurocode 3: Design of Steel Structures – Part 1‐5: Plated Structural Elements. European Committee for Standardisation Brussels.

2. THE BASIS FOR DESIGN OF BEAMS AND PLATE GIRDERS IN THE REVISED BRITISH STANDARDS 153.

3. Steel Bridge Group: Guidance notes on best practice in steel bridge construction;Hendy C.;The Steel Construction Institute, UK. ISBN:,2015

4. American Railway Engineering and Maintenance of Way Association. (1910)General Specifications for Steel Railway Bridges.Ed. 2nd USA.

5. Timoshenko S. Gere J.(1936)Theory of elastic stability. McGraw‐Hill Book Company Ed. 1st USA.

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