1. Lecturer, College of Mining and Safety Engineering, Shandong Univ. of Science and Technology, Qingdao, Shandong 266590, China; School of Resources and Safety Engineering, Central South Univ., Changsha, Hunan 410083, China.
2. Professor, School of Resources and Safety Engineering, Central South Univ., Changsha, Hunan 410083, China.
3. Associate Professor, School of Resources and Safety Engineering, Central South Univ., Changsha, Hunan 410083, China (corresponding author).
4. Associate Professor, Earth Mechanics Institute, Dept. of Mining Engineering, Colorado School of Mines, Golden, CO 80401.
5. Lecturer, School of Resources and Safety Engineering, Central South Univ., Changsha, Hunan 410083, China. ORCID: