YIELDING BEHAVIOR OF CLAY AFTER EXPERIENCING ANISOTROPIC AND ISOTROPIC PRELOADING HISTORIES

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  • 等方および異方載荷履歴を受けた粘土の降伏特性
  • トウ ホウ オヨビ イホウサイカ リレキ オ ウケタ ネンド ノ コウフク トクセイ

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Abstract

The authors performed a series of drained triaxial compression tests and drained hollow cylinder torsional shear tests for investigating the yielding behavior of a saturated and reconstituted clay sample after experiencing isotropic and anisotropic preloading and subsequent unloading histories. The results indicated that the yieldings after experiencing both preloading histories could satisfactorily be interpreted in an integrated manner by assuming the bounding surface separating the state of elastic response and the state of elasto-plastic response in the space where the effective mean stress, principal stress difference and areal strain were selected as the independent co-ordinate axes.

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