Rock strength criterion considering the effect of hydrostatic stress on lode angle effect

Abstract

1State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China 2State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, China 3Deep Earth Energy Research Laboratory, Department of Civil Engineering, Monash University, Melbourne, Victoria, Australia 4Department of Civil and Mineral Engineering, University of Toronto, Toronto, Ontario, Canada