1. Professor, State Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Univ. of Science and Technology Beijing, Ministry of Education, Beijing, 100083, China; Professor, School of Civil and Resource Engineering, Univ. of Science and Technology Beijing, Beijing, 100083, China; Professor, Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China.
2. Ph.D. Candidate, State Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Univ. of Science and Technology Beijing, Ministry of Education, Beijing, 100083, China; Ph.D. Candidate, School of Civil and Resource Engineering, Univ. of Science and Technology Beijing, Beijing, 100083, China (corresponding author).
3. Ph.D. Candidate, State Key Laboratory of High-Efficient Mining and Safety of Metal Mines, Univ. of Science and Technology Beijing, Ministry of Education, Beijing, 100083, China; Ph.D. Candidate, School of Civil and Resource Engineering, Univ. of Science and Technology Beijing, Beijing, 100083, China.