Stiffness of Plates after Buckling

概要

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To use the High Tensile Steel effectively for a ship's hull, the plate thickness becomes thin so that plate buckling may take place in some cases. In these cases a precise estimation of plate's behaviour after buckling is necessary, and nonlinear analysis of isolated and stiffened plates is required for structural system analysis. In this connection, this paper dicusses stiffeness and strength criteria of plates after bucking. A simple elastic large deflection analysis of isolated plates with initial deflection and welding residual stresses subjected to bi-axial compression and lateral load is performed. Four fondamental boundary conditions along the sides are assumed. Simple expressions are derived to evaluate the effective width and the initial yielding strength of plates under these boundary conditions. Some sample calculations are performed to demonstrate the validity and the usefulness of the presented method of analysis.
社団法人日本船舶海洋工学会の論文
1991-03-25