1. Graduate Student, 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. ORCID: .
3. Engineer, Dept. of Training and Education, Hunan Vocational Institute of Safety Technology, Changsha, Hunan 410151, China (corresponding author).
4. Ph.D. Candidate, School of Resources and Safety Engineering, Central South Univ., Changsha, Hunan 410083, China.
5. Senior Lecturer, School of Civil and Environmental Engineering, Univ. of Technology Sydney, Ultimo, NSW 2007, Australia.