Web crippling behaviour of thin-walled lipped channel beams

Martin Macdonald, M. A. Heiyantuduwa, M. Kotelko, J. Rhodes

Research output: Contribution to journalArticle

Abstract

This paper presents the results of an investigation into web crippling behaviour—conducted on cold-formed thin-walled steel lipped channel beams subjected to Interior-One-Flange (IOF), Interior-Two-Flange (ITF), End-One-Flange (EOF) and End-Two-Flange (ETF) loading conditions as defined by the American Iron and Steel Institute (AISI). An experimental program was designed to obtain the load-deformation characteristics of beam members with varying cross-sectional and loading parameters under the three web crippling loading conditions. The results obtained from the experiments comprised of the ultimate web crippling strength values and displacements of the thirty-six beam specimens tested. Nonlinear finite element models were developed to simulate web crippling failure of the two loading conditions considered in the experimental program

Original languageEnglish
Pages (from-to)682-690
Number of pages9
JournalThin-Walled Structures
Volume49
Issue number5
DOIs
Publication statusPublished - 1 May 2011

Keywords

  • web-crippling
  • load-capacity
  • code predictions
  • plastic mechanism
  • FE analysis

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