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/lp/sage/design-of-cold-formed-stainless-steel-lipped-channel-sections-with-web-849pgwFTmo
- Publisher
- SAGE
- Copyright
- © The Author(s) 2016
- ISSN
- 1369-4332
- eISSN
- 2048-4011
- DOI
- 10.1177/1369433216670170
- Publisher site
- See Article on Publisher Site
Abstract
This article presents a numerical investigation on the web crippling strength of cold-formed stainless steel lipped channel sections with circular web openings under end-one-flange loading condition. In order to take into account the influence of the circular web openings, a parametric study involving 1992 finite element analyses was performed, covering duplex EN1.4462, austenitic EN1.4404 and ferritic EN1.4003 stainless steel grades; from the results of the parametric study, strength reduction factor equations are proposed. The web crippling strengths predicted by the reduction factor equations are first compared to the strengths calculated using the equations recently proposed for cold-formed carbon steel lipped channel sections. It is demonstrated that the strength reduction factor equations proposed for cold-formed carbon steel are unconservative for the stainless steel grades by up to 7%. Unified strength reduction factor equations are then proposed that can be applied to all three stainless steel grades.
Journal
Advances in Structural Engineering – SAGE
Published: Jul 1, 2017