Local buckling behavior of double-coped steel beams

Cheng Fang, Michael Yam, V. P. Iu, K. F. Chung

Research output: Journal article publicationConference articleAcademic researchpeer-review


Local web buckling is one of the most common failure modes for coped steel beams. While several studies have been undertaken focusing on the behavior of top-flange/single-coped beams, double-coped beams have received little attention. To fill this knowledge gap, this paper presents experimental and numerical studies on local web buckling behavior of double-coped steel beams. Five full-scale tests were conducted, and the main test parameters were cope length and cope depth. Local web buckling was observed as the main failure mode for all of the five specimens, and the buckling resistance was found to decrease with increasing cope length and cope depth. A FE study was subsequently conducted, where the response of the FE models agreed well with the test results, especially in terms of buckling mode and buckling resistance. The test and FE results were compared with those predicted by an existing design approach. The design results were found to be quite conservative, and hence further investigation may be required to achieve a more accurate design approach.

Original languageEnglish
Pages (from-to)89-94
Number of pages6
JournalProceedings of International Structural Engineering and Construction
Issue number1
Publication statusPublished - 2014
Event2nd Australasia and South East Asia Conference on Structural Engineering and Construction, ASEA-SEC-2 2014 - Bangkok, Thailand
Duration: 3 Nov 20147 Nov 2014


  • Deflection
  • Design
  • Failure mode
  • FE analysis
  • Local web buckling
  • Test

ASJC Scopus subject areas

  • Building and Construction
  • Architecture
  • Civil and Structural Engineering
  • Safety, Risk, Reliability and Quality


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