Abstract
Theoretical analyses of compressed plates with various loading and boundary conditions previously published by the authors are extended to include the effects of initial imperfections. Comparison of the theoretical results is made with experiment. It is shown that for plates with supports on both unloaded edges the simple criterion that collapse occurs when the maximum membrane stress reaches yield, gives accurate estimates of failure for eccentrically loaded plates. The collapse modes of plates which have one edge free are found to be rather complex in nature and vary with plate thickness and loading eccentricity. A simplified design analysis for the prediction of collapse loads of eccentrically loaded simply supported plates is formulated and shown to predict experimental results very accurately.
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