An analytical model for analysing distortional buckling of cold-formed steel sections
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Colleges, School and Institutes
This paper presents an analytical model for predicting the critical stress of distortional buckling of cold-formed steel sections. Closed-form expressions are derived and validated by using the finite-strip method. Comprehensive comparisons are made between several alternative methods for determining the minimum elastic distortional buckling stress for zed and sigma sections, which demonstrates that the present model provides a good prediction of the distortional buckling stress, despite its simplicity. (c) 2008 Elsevier Ltd. All rights reserved.
|Number of pages||7|
|Publication status||Published - 1 Dec 2008|
- Cold-formed, Thin-walled structures, Elastic stability, Sigma section, Distortional buckling