Abstract

Abstract Undrained cyclic triaxial tests are performed on specimens of Ottawa sand to study the evolution of fabric during undrained cyclic loading. Isotropic consolidation tests and triaxial drained compression or extension tests are conducted before or after cyclic loading to characterize the state of fabric indirectly. The effects of stress path, cyclic stress ratio, cyclic number, and initial fabric on fabric evolution during undrained cyclic loading are investigated.

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