ABSTRACT

Commonly used empirical representations of jointed rock behavior under cyclic loading conditions reside in the Mohr-Coulomb, Barton-Bandis, and Continuously-Yielding models. These models were developed based on data obtained under unidirectional loading conditions, and their ability to predict joint performance under cyclic loading conditions has not been tested. Analysis has indicated that these models are not capable of predicting joint behavior observed in the laboratory during pseudostatic shear reversal.

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