ANISOTROPIC PLASTICITY MODEL FOR UNDRAINED CYCLIC BEHAVIOR OF CLAYS. I: THEORY

A constitutive model is developed that is capable of capturing the following essential behavior of clays under cyclic loading: degradation of undrained strength and stiffness; development of transient and residual pore pressures and deformations; dependence on the initial consolidation stress condition and the overconsolidation ratio (stress history); and dependence on the cyclic loading paths, including the rotation of principal stress direction and the magnitude of an intermediate principal stress. A framework of undrained cyclic behavior of saturated cohesive soils is provided, together with summaries of experimental evidences and mathematical arguments to support representation of material structure via fabric tensor. Although the model presented is theoretically sound, its usefulness relies upon the ease of determining material constants required in the model as well as validity established with a comparison with experimental data.

Media Info

  • Features: Appendices; Figures; References;
  • Pagination: p. 229-245
  • Serial:

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Filing Info

  • Accession Number: 00618850
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jan 31 1992 12:00AM