Abstract

The endochronic constitutive equations developed previously by the writers for the description of sand behavior in true triaxial tests are applied to predict the behavior of Ottawa sand with a circular stress path in the deviatoric stress plane. Predictions by other investigators on the set of data obtained from this stress path are generally poor, and do not even show a qualitative agreement between theories and experiment. It is shown here that the endochronic constitutive equations do lead to reasonable results for this stress path.

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