College of Energy and Mining Engineering University of Science and Technology 266590;
State Key Laboratory of Mining Disaster Prevention and Control Cofounded by Shandong Province and the Ministry of Science and Technology University of Science and Technology 266590;
National Demonstration Center for Experimental Mining Engineering Education University of Science and Technology 266590;
School of Civil and Transportation Engineering Nationalities University 810007;
Shandong Energy Group Co.. 250014;
Iwan model; Rock joint; Cyclic shear; HYSTERESIS; Energy dissipation;