Web crippling design of cold-formed duplex stainless steel lipped channel-sections with web openings under end-one-flange loading condition

A.M. Yousefi, J.B.P. Lim, A. Uzzaman, Y. Lian, G.C. Clifton, B. Young

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Abstract

Cold-formed stainless steel sections are becoming more widely used in the residential and commercial sectors due to their high corrosion resistance and high strength-to-weight ratio. However, their susceptibility to web crippling at points of concentrated loading is well-known to be an important design issue. In addition, web openings are also become popular, as they improve ease of installation of services. This paper presents the results of an investigation into the effect of web crippling on cold-formed duplex stainless steel lipped channel-sections, having such openings, under the end-one-flange (EOF) loading condition. 728 non-linear elasto-plastic finite element analyses are undertaken, with web openings located either centred above the bearing plate or offset to bearing plate. The effect of the size of the web opening, length of bearing plate and location of the web opening is considered. Strength reduction factor equations are proposed, that can be used to take into account such openings in design.
Original languageEnglish
Pages1-11
Number of pages11
Publication statusPublished - 8 Oct 2016
Event11th Pacific Structural Steel Conference - Crowne Plaza Shanghai, Shanghai, China
Duration: 29 Oct 201631 Oct 2016
http://www.pssc2016.com/

Conference

Conference11th Pacific Structural Steel Conference
CountryChina
CityShanghai
Period29/10/1631/10/16
Internet address

Keywords

  • cold-formed stainless steel
  • lipped channel-section
  • web crippling
  • finite element analysis
  • strength reduction factor

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    Yousefi, A. M., Lim, J. B. P., Uzzaman, A., Lian, Y., Clifton, G. C., & Young, B. (2016). Web crippling design of cold-formed duplex stainless steel lipped channel-sections with web openings under end-one-flange loading condition. 1-11. Paper presented at 11th Pacific Structural Steel Conference, Shanghai, China.