Research Article
Feb 1973
Effect of Major Axis Curvature on I-Beam Stability
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VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 99, Issue 1
Abstract
In the flexural-torsional buckling of beams, it is common practice to assume that the major axis flexural rigidity, EIx, is very large compared with the minor axis rigidity, EIy, and the torsional rigidity, GJ. That is, the in-plane deflections prior to buckling are assumed small enough to be ignored in the derivation of a method is presented for accounting for major axis curvature in the calculation of the buckling loads of doubly-symmetric I-section cantilevers and simple beams. This method involves little more effort than the conventional treatment. Beams of two different steel sections are investigated, one a column section and the other a beam section, and the results are presented in graphical form.
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Published In
Journal of the Engineering Mechanics Division
Volume 99 • Issue 1 • February 1973
Pages: 85 - 98
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Feb 1973
Published online: Feb 3, 2021
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Authors
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Nicholas S. Trahair, AM.ASCE
Assoc. Prof. in Civ. Engrg., Univ. of Sydney, Sydney, NSW, Australia.
Scott T. Woolcock
Res. Student in Civ. Engrg., Univ. of Sydney, Sydney, NSW, Australia.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.