1. State Key Laboratory of Coal Mine Disaster Prevention and Control, China Coal Research Institute, Beijing, China
2. School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou, China
3. College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo, China
4. State Key Laboratory of Coal Mine Safety Technology, CCTEG Shenyang Research Institute, Shenyang, China
5. College of Safety Science and Engineering, Changzhou University, Changzhou, China