衝撃力を受ける構造物の塑性変形 ―剛塑性単純梁の曲げおよびせん断変形―

Abstract

A theoretical study is made of the dynamic behavior and the permanent deformationsof a rigid-perfectly plastic beam under impact loading. The beam is simply supported andthe load is distributed along some portion of the beam axis. Bending and shearing de-formations are analysed on the basis of a simplified interaction curve relating shearingforce and bending moment for fully plastic action. The analysis shows that the sheareffects are of considerable importance when the loading width is approximately less thanone half of the whole span.