1. Key Laboratory of Theory and Technology on Coal and Rock Dynamic Disaster Prevention and Control, National Mine Safety Administration, China University of Mining and Technology 1 , Xuzhou, Jiangsu 221116, China
2. State Key Laboratory of Coal Mine Disaster Prevention and Control, China University of Mining and Technology 2 , Xuzhou, Jiangsu 221116, China
3. School of Safety Engineering, China University of Mining and Technology 3 , Xuzhou, Jiangsu 221116, China
4. Insitute of Deep Earth Sciences and Green Energy, College of Civil and Transportation Engineering, Shenzhen University 4 , Shenzhen, Guangdong 518060, China