Buckling behaviour of cold-formed channel sections under uniformly distributed loads

Xiao Ting Chu, Zhi Ming Ye, Roger Kettle, Long Yuan Li*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

This paper presents an investigation on the buckling behaviour of cold-formed steel channel section beams when subjected to a uniformly distributed load. The focus of the study is on the local and distortional buckling, for which existing results are only for sections subjected to pure compression and/or pure bending. The results obtained from this study have shown that, for local buckling, there is no practical difference in the critical loads between pure bending and a uniformly distributed load. For distortional buckling, however, remarkable difference exists. The critical load for a uniformly distributed load is generally higher than that for pure bending by about 10% for beams between 3 and 6 m in length.

Original languageEnglish
Pages (from-to)531-542
Number of pages12
JournalThin-Walled Structures
Volume43
Issue number4
DOIs
Publication statusPublished - 1 Apr 2005

Keywords

  • Cold-formed section
  • Distortional buckling
  • Finite strip analysis
  • Local buckling

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