1. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology(Beijing), Beijing 100083, China
2. School of Mining Engineering, Guizhou University of Engineering Science, Bijie 551700, China
3. State Key Laboratory of Coal Mine Disaster Dynamics and Control, School of Resources and Safety Engineering, Chongqing University, Chongqing 400044, China
4. College of Safety Science and Engineering, Xinjiang Institute of Engineering, Urumqi, Xinjiang 830023, China