1. School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, Jiangxi 341000, China
2. School of Civil Engineering, Shaoxing University, Shaoxing, Zhejiang 312000, China
3. College of Civil Engineering, Qilu Institute of Technology, Jinan, Shandong 250200, China
4. Sinosteel Maanshan General Institute of Mining Research Co. Ltd., Maanshan, Anhui 243000, China
5. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400030, China