1. Associate Professor, State Key Laboratory of Mine Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China.
2. Master’s Student, State Key Laboratory of Mine Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China.
3. Lecturer, School of Mining and Civil Engineering, Liupanshui Normal Univ., Liupanshui 553004, China.
4. Professor, National Engineering Laboratory for Coalmine Backfilling Mining, Shandong Univ. of Science and Technology, Tai’an, Shandong 271019, China (corresponding author).
5. Professor, State Key Laboratory of Mine Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China.
6. Lecturer, State Key Laboratory of Mine Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China.
7. Ph.D. Candidate, State Key Laboratory of Mine Disaster Prevention and Control, Shandong Univ. of Science and Technology, Qingdao 266590, China.