Poisson's Effect on Buckling of Plate Assemblies

by Srinivasan Sridharan, Research Fellow; Dept. of Civ. and Municipal Engrg., University College London, United Kingdom,

Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 10, Pg. 1967-1980

Document Type: Journal Paper


Members of prismatic plate assemblies subjected to longitudinal compression can under certain conditions develop compressive stresses in the transverse direction due to Poisson's effect. This can cause significant reductions in the buckling stress of the assembly. A general finite strip method which computes the prebuckling stresses as a preliminary is employed to analyze the problem. The worked examples point to the existence of an analogy between the development of transverse compression in the members of the plate structure and temperature stresses in the bars of a plane framework. A simplified buckling analysis which calculates the transverse compression using the analogy is found to give very accurate results.

Subject Headings: Compression members | Stress analysis | Buckling | Plates | Finite strip method | Temperature effects | Thermal loads | Bars (structure)

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