A COMBINED HARDENING MODEL FOR ANISOTROPICALLY CONSOLIDATED CLAYS

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概要

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• A model introduced in the present paper is capable of describing the mechanical behaviour of anisotropically consolidated clay reasonably well. The salient features of the proposed model are summarized as follows : (i) Generalized forms of the Cambridge models are given to both yield function and plastic potential. (ii) A combination of isotropic and kinematic hardening is used. (iii) A non-associate flow rule is proposed. (iv) The isotropic hardening involves plastic work related to not only volumetric but also deviatoric deformation. (v) The translation of yield surface is specified by extending Ziegler's rule of kinematic hardening. (vi) The constitutive model is capable of describing expansion of yield surface with simultaneous translation in the stress space. Several undrained triaxial tests of anisotropically consolidated clay are simulated and the good agreement is observed between simulation and experimental data.

• 社団法人地盤工学会の論文
• 1989-09-15

著者

• 平井 弘義

  Department Of Civil Engineering Kumamoto University

関連論文

• AN ELASTO-VISCOPLASTIC MODEL WITH COMBINED HARDENING OF ANISOTROPICALLY CONSOLIDATED COHESIVE SOILS
• 砂質土改良土の弾塑性構成モデルの定式化(『土質工学会論文報告集』Vol. 29,No.2 (1989年6月発行)掲載論文の概要)
• AN ELASTIC-PLASTIC CONSTITUTIVE MODEL FOR THE BEHAVIOR OF IMPROVED SANDY SOILS
• A COMBINED HARDENING MODEL FOR ANISOTROPICALLY CONSOLIDATED CLAYS
• MODELLING OF CYCLIC BEHAVIOUR OF SAND WITH COMBINED HARDENING

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