Edge Stiffeners for Thin-Walled Members

by Thomas P. Desmond, (A.M.ASCE), Formerly Research Asst.; Cornell Univ., Ithaca, N.Y.,
George Winter, (Hon.M.ASCE), Prof. Emeritus; Cornell Univ., Ithaca, N.Y. 14853,
Teoman Pekoz, (M.ASCE), Assoc. Prof. of Struct. Engrg.; Cornell Univ., School of Civ. and Environmental Engrg., Hollister Hall, Ithaca, N.Y. 14853,


Serial Information: Journal of the Structural Division, 1981, Vol. 107, Issue 2, Pg. 329-353


Document Type: Journal Paper

Discussion: Srinivasan Sridharan (See full record)
Discussion: Allen David (See full record)

Abstract: An effective width approach is presented for predicting ultimate strengths of thin-walled compression elements with edge stiffeners. In conjunction with procedures for predicting ultimate strengths, a requirement for adequate stiffener rigidity is given. Stiffener adequacy is assessed as that stiffener rigidity for which the ultimate strength of an edge-stiffened element equals that of an element of similar dimensions and material properties but supported by a web at the stiffener location. Critical and post-critical behavior of the assembly are studied analytically and experimentally; however, the stiffener requirement is based primarily on the experimental results. Simple formulations for assessing the performance of the stiffener and plate elements are presented.

Subject Headings: Stiffening | Ultimate strength | Compression members | Rigidity | Effective width | Compressive strength

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