Rate Effects in the Deformation of Rocks

by Branko Ladanyi, Ecole Polytechnique, Canada,
Michel Aubertin, Ecole Polytechnique, Canada,



Document Type: Proceeding Paper

Part of: Serviceability and Durability of Construction Materials

Abstract:

This paper gives a brief review of creep and rate effects on the behavior of rocks, within a wide range of confining pressures and temperatures, and with a special emphasis on the physical background of observed phenomena. Finally, a unified viscoplastic model of rock behavior, developed by the junior author, is described. The model makes it possible to closely simulate the creep behavior of rock salt in ductile and semi-brittle regime, under given test and loading conditions.

Subject Headings: Rock mechanics | Material properties | Thermal analysis | Rocks | Creep | Thermal properties | Mathematical models

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