Numerical simulation and proposed design rules of cold-formed stainless steel channels with web holes under interior-one-flange loading

Zhiyuan Fang, Krishanu Roy*, Asraf Uzzaman, James B.P. Lim

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

This paper presents a numerical study on structural behaviour of cold-formed stainless steel channels with circular web holes, under interior-one-flange loading case. The material properties of stainless steel types EN 1.4509 (Ferritic), EN 1.4462 (Duplex) and EN 1.4301 (Austenitic) were taken from the literature. In order to study the influence of web hole size, web hole location and load-bearing length on the web crippling strength of such sections, a parametric study involving 1,728 finite element models was conducted. The parametric study results were used to propose new web crippling strength equations and strength reduction factor equations which performed better than those of American Society of Civil Engineers Specification (ASCE 8–02), American Iron and Steel Institute Specification and Australia/New Zealand Standard (AISI&AS/NZS) and Lian et al (2016). A reliability analysis was then carried out, and the results showed that the proposed design equations can accurately predict the web crippling strength of of cold-formed stainless steel channels with and without web holes when loaded under interior-one-flange condition.

Original languageEnglish
Article number113566
Number of pages24
JournalEngineering Structures
Volume252
Early online date17 Nov 2021
DOIs
Publication statusPublished - 1 Feb 2022

Keywords

  • finite element analysis
  • interior-one-flange loading
  • stainless steel
  • web crippling
  • web hole

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