1. Mining College of Guizhou University, Guiyang 550025, China
2. Coal Mine Roadway Support and Disaster Prevention Engineering Research Center, Beijing 100083, China
3. National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas, Guiyang 550025, China
4. Key Laboratory of Mining Disaster Prevention and Control, Qingdao 266590, China