An analytical model for analysing distortional buckling of cold-formed steel sections

Long-yuan Li, JK Chen

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)1430-1436
Number of pages7
JournalThin-Walled Structures
Volume46
Issue number12
DOIs
Publication statusPublished - 1 Dec 2008

Keywords

  • Cold-formed
  • Thin-walled structures
  • Elastic stability
  • Sigma section
  • Distortional buckling

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