Consideration of Shear Band Formation by Elastoplastic Constitutive Equation of Soils with Tangential Stress Rate Effect.

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  • HASHIGUCHI Koichi
    The Japanese Society of Agricultural Machinery Faculty of Agriculture, Kyushu University
  • TSUTSUMI Seiichiro
    The Japanese Society of Agricultural Machinery Faculty of Agriculture, Kyushu University
  • OKAYASU Takashi
    The Japanese Society of Agricultural Machinery Faculty of Agriculture, Kyushu University
  • SAITOH Koshiro
    The Japanese Society of Agricultural Machinery Faculty of Agriculture, Kyushu University

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  • 接線応力速度を考慮した地盤材料の弾塑性構成式によるせん断帯発生の理論的考察
  • セッセン オウリョク ソクド オ コウリョ シタ ジバン ザイリョウ ノ ダンソセイ コウセイシキ ニ ヨル センダンタイ ハッセイ ノ リロンテキ コウサツ

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Abstract

It is required to take account of the plastic instability phenomenon with the bifurcation and the localization of deformation for the analysis of the large deformation process, aiming at the development of mechanical design of agricultural machinery and other machinery or structures. The elastoplastic constitutive equation of soils extended so as to describe the finite deformation under the general loading process with the cyclic loading and the abrupt variation of loading path is proposed in the previous article. Based on it, the formation condition of shear band under undrained plane strain condition is analyzed.

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