1. CCTEG Coal Mining Research Institute, Beijing 100013, China
2. School of Emergency Management and Safety Engineering, China University of Mining & Technology, Beijing, Beijing 100083, PR China
3. CAS Key Laboratory of Low-Carbon Conversion Science and Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
4. School of Civil and Resources Engineering, University of Science and Technology, Beijing 100083, China