1. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, 400044, China
2. College of Resources and Environmental Science, Chongqing University, Chongqing, 400044, China
3. State Key Laboratory for GeoMechanics and Deep Underground Engineering, and School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China