Parametric studies and design recommendations of cold-formed steel sections with web openings subjected to web crippling

Ying Lian, Asraf Uzzaman, James B.P. Lim, Gasser Abdelal, David Nash, Ben Young

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Abstract

A parametric study of cold-formed steel sections with web openings subjected to web crippling under interior-one-flange (IOF) and end-one-flange (EOF) loading conditions are undertaken, using finite element analysis, to investigate the effects of web holes and cross-sections sizes. The holes are located either centred beneath the bearing plate or with a horizontal clear distance to the near
edge of the bearing plate. It was demonstrated that the main factors influencing the web crippling strength are the ratio of the hole depth to the depth of the web, the ratio of the length of bearing plate to the flat depth of the web and the location of the holes as defined by the distance of the hole from the edge of the bearing plate divided by the flat depth of the web. In this paper, design recommendations the form of web crippling strength reduction factor equations are proposed, which are conservative when compared with the experimental and finite element results.
Original languageEnglish
Title of host publicationProceedings of the Eighth International Conference on Steel and Aluminium Structures
Subtitle of host publicationHong Kong, China, 7 - 9 December 2016
EditorsBen Young, Yancheng Cai
PublisherThe University of Hong Kong
ISBN (Print)9789628014262
Publication statusPublished - 7 Dec 2016
EventEighth International Conference on Steel and Aluminium Structures - Cordis, Hong Kong, Hong Kong
Duration: 7 Dec 20169 Dec 2016
http://www.civil.hku.hk/ICSAS2016/

Conference

ConferenceEighth International Conference on Steel and Aluminium Structures
Abbreviated titleICSAS2016
Country/TerritoryHong Kong
CityHong Kong
Period7/12/169/12/16
Internet address

Keywords

  • cold-formed steel
  • web crippling
  • web openings
  • finite element analysis
  • channel section
  • reduction factor
  • design recommendations

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