Ultimate Strength of Steel Outstands in Compression
Publication: Journal of Structural Engineering
Volume 122, Issue 5
Abstract
The present study is aimed at developing a rational design formula for predicting the ultimate strength of steel outstands in compression. To this end, an extensive elastoplastic large displacement finite-element method (FEM) analysis is conducted. The outstand is assumed to have initial out-of-flatness as well as residual stresses. Based on the numerical results, a formula is derived as a function of both magnitude of the initial out-of-flatness and residual stress. The formula is then used to predict the ultimate compressive strength of members with H-sections, and comparisons of the predicted ultimate strengths given by the effective width method are made with those of numerical study and tests. It is found that the proposed formula can be used in the prediction of the ultimate strengths of compression members that have steel outstands.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 122 • Issue 5 • May 1996
Pages: 573 - 578
Copyright
Copyright © 1996 American Society of Civil Engineers.
History
Published online: May 1, 1996
Published in print: May 1996
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