1. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, China
2. Department of Engineering Mechanics, Chongqing University, Chongqing, China
3. Chongqing Key Laboratory of Heterogeneous Material Mechanics, Chongqing University, Chongqing, China
4. State Key Laboratory of Crystal Material, Shandong University, Jinan, Shandong, China
5. College of Engineering and Technology, Southwest University, Chongqing, China