Utilization of Cold Work in Cold-Formed Steelby Niels C. Lind, (A.M.ASCE), Prof. of Civil Engrg.; Univ. of Waterloo, Ontario, Canada,
Dilip K. Schroff, Struct. Engr.; Peter Sheffield and Assocs., Toronto, Canada,
Serial Information: Journal of the Structural Division, 1975, Vol. 101, Issue 1, Pg. 67-78
Document Type: Journal Paper
Abstract: An analysis to predict the yield strength of corners in cold-formed steel structural members was presented by Karren in 1967. It is based on plastic theory, using isotropic power-law strain hardening with von Mises' yield condition and plastic potential. The analysis and consequent design formulas are quite complicated. This paper presents an alterative elementary analysis; specific assumptions of isotropy, von Mises' yield condition, and isotropic power-law strain hardening has been relaxed. The solution is specialized for the case of linear strain hardening, leading a simple and perspicuous design formula. The proposed formula gives practically the same result as existing code procedures.
Subject Headings: Cold-formed steel | Isotropy | Strain | Plastics | Structural strength | Strength of materials | Structural steel
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