1. School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
2. Key Laboratory of Ministry of Education for High-Efficient Mining and Safety of Metal, University of Science and Technology Beijing, Beijing 100083, China
3. State Key Laboratory of Coking Coal Exploitation and Comprehensive Utilization, Pingdingshan 467000, China
4. College of Safety Engineering, North China Institute of Science and Technology, Langfang 065201, China