PLASTICITY THEORY FOR SOIL STRESS-STRAIN BEHAVIOR

Jean Herve Prevost

Research output: Contribution to journalArticlepeer-review

166 Scopus citations

Abstract

A general analytical model that describes both drained and undrained, anisotropic, elastoplastic, path-dependent stress-strain-strength properties of inviscid saturated soils is presented. For any loading (or unloading) history, the instantaneous configuration of the field of yield surfaces is determined by calculating the translation and contraction (or expansion) of each yield surface during successive changes in load. The material behavior can thus be determined for complex, and, in particular, for cyclic loading paths. The inverse stress-strain relations always exist and are uniquely defined if and only if the yield surfaces do not overlap. In order to avoid such overlappings, a new isotropic/kinematic hardening rule is introduced which couples the simultaneous translation of consecutive surfaces. The isotropic/kinematic hardening of the outer surfaces is thus made compatible with any isotropic/kinematic hardening rule assumed for the inner surfaces.

Original languageEnglish (US)
Pages (from-to)1177-1194
Number of pages18
JournalASCE J Eng Mech Div
Volume104
Issue number5
StatePublished - Jan 1 1978

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Engineering(all)
  • Earth and Planetary Sciences(all)

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