Local–Global Interaction Buckling of Stainless Steel I-Beams. II: Numerical Study and Design
Publication: Journal of Structural Engineering
Volume 141, Issue 8
Abstract
The paper presents a detailed finite-element model used to study the local–global interaction buckling of stainless steel I-section beams. The model was constructed with the commercial software package ABAQUS v.6.11 and was verified against the experimental data presented in a companion paper, yielding accurate predictions of interaction buckling behavior and ultimate capacity. Parametric studies were conducted by using the calibrated models to extend the experimental database. The accuracy of the Australia/New Zealand, American, and European standards for stainless steel structures was evaluated by using the available data. It was found that the codes were incapable of capturing the interaction buckling effect, thus affording overly optimistic strength predictions for beams of high section slenderness. Existing direct strength method formulas, as proposed for carbon steel beams and stainless steel columns, were also evaluated to assess their applicability to the stainless steel beams.
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Acknowledgments
The research was supported by scholarships offered by the China Scholarship Council and the Centre for Advanced Structural Engineering of the University of Sydney. The stainless steel sheets used for the experiments were kindly provided by Austral Wright Metals and Sandvik. The authors would like to express their thanks for this in-kind support and the advice on material properties offered by Dr. Alex Gouch of Austral Wright Metals.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 141 • Issue 8 • August 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jan 23, 2014
Accepted: Jun 2, 2014
Published online: Sep 12, 2014
Discussion open until: Feb 12, 2015
Published in print: Aug 1, 2015
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