1. College of Safety and Emergency Management and Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, People’s Republic of China
2. Key Laboratory of In-Situ Property-Improving Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan, Shanxi 030024, People’s Republic of China
3. Department of Civil and Environmental Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
4. College of Mining Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, People’s Republic of China
5. Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University, Fukuoka 8190395, Japan