Experimental investigation of cold-formed channels subjected to combined bending and web crippling

Ben Young, Gregory J. Hancock

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

4 Citations (Scopus)

Abstract

An experimental investigation of cold-formed channels subjected to combined bending and web crippling is described in this paper. A series of tests was performed on unlipped channels rolled from high strength structural steel sheets having nominal plate thickness up to 6 mm, and a maximum web slenderness value of 45. This value is considerably lower than the intended web slendemess values used in the Australian/New Zealand Standard (AS/NZS 4600, 1996) and the American Iron and Steel Institute (AISI, 1996) Specification for cold-formed steel structures. In the past, the typical thickness of cold-formed steel members was less than 3 mm, and this was due to the limitations of the cold-forming technology in the 1980s. The design rules in the AS/NZS 4600 and the AISI Specification for members subjected to combined bending and web crippling are mainly based on test results having plate thickness less than 3 mm with web slendemess values greater than 45. Therefore, the appropriateness of the design rules for members having plate thickness greater than 3 mm is investigated in this paper. The specimens were tested at various lengths using the Interior-One-Flange (IOF) loading condition specified in the AS/NZS 4600 and the AISI Specification. The test strengths are compared with the design strengths obtained using the AS/NZS 4600 and the AISI Specification. Generally, it is shown that the specifications conservatively predicted the strengths of the tested unlipped channels subjected to combined bending and web crippling.

Original languageEnglish
Title of host publicationProceedings of the 15th International Specialty Conference on Cold-formed Steel Structures, St. Louis, University of Missouri-Rolla, Mo., USA
Pages71-90
Number of pages20
Publication statusPublished - 1 Dec 2000
Externally publishedYes
EventFifteenth International Specialty Conference on Cold-Formed Steel Structures: Recent Research and Developments in Cold-Formed Steel Design and Construction - St. louis, MO, United States
Duration: 19 Oct 200020 Oct 2000

Conference

ConferenceFifteenth International Specialty Conference on Cold-Formed Steel Structures: Recent Research and Developments in Cold-Formed Steel Design and Construction
Country/TerritoryUnited States
CitySt. louis, MO
Period19/10/0020/10/00

ASJC Scopus subject areas

  • Engineering(all)

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