プラスチックヒンジにおけるウェブ幅,フランジ幅の制限に関する研究(2)

概要

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In the previous paper, the stability criterion of perfectly flat, thin plate was established, and then this criterion was rewrited by the Prandl-Reuss' stress-strain relationship which was the plastic flow theory concerning von Mises' yield condition. In this paper, the stability criterion is the same as before. However, stressrate-strainrate relationship is introduced by the plastic potential theory. The general formula of the stability of plate is new established. For example, the limitation numbers of the width-thickness raties of plates are actually calculated according to the general formula and Tresca' yield condition. Compared with the calculation results, reported in the previous report, the results of calculations are reveal to be very different. It is reasonable, for the results are thought to be sensitive to the surface of yield locus.
社団法人日本建築学会の論文
1964-06-30