Effect of Imperfections on the Plastic Buckling of Rectangular Plates

[+] Author and Article Information
K. W. Neale

Department of Civil Engineering, Université de Sherbrooke, Sherbrooke, Québec, Canada

J. Appl. Mech 42(1), 115-120 (Mar 01, 1975) (6 pages) doi:10.1115/1.3423500 History: Received January 01, 1974; Revised July 01, 1974; Online July 12, 2010


The effect of initial imperfections in geometry on the plastic buckling of simply supported compressed rectangular plates is examined. The analysis, which is based on the application of a Reissner-type variational principle, indicates that the buckling load can be highly imperfection-sensitive; and that a consideration of small imperfections in geometry could provide results which compare favorably with experimental data.

Copyright © 1975 by ASME
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