Abstract
A theoretical investigation into the influence of geometry changes on the behavior of a simply supported circular rigid, perfectly plastic plate subjected to two independent distributed pressures is presented herein. The results indicate, as might be anticipated, that when finite deflections are considered such plates could support loads greater than the corresponding collapse pressures obtained recently by Flügge and Gerdeen [4] and Hodge and Sun [6]. The general procedure reported could be used to study the reserve strength of circular plates having different boundary conditions and other kinds of external loads, and could be developed further in order to examine the influence of geometry changes on other rigid-plastic structures subjected to time-dependent or time-independent loads.
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