1. Ph.D. Candidate, School of Land and Resources Engineering, Kunming Univ. of Science and Technology, Kunming, Yunnan 650093, P.R. China; Yunnan Key Laboratory of Sino-German Blue Mining and Utilization of Special Underground Space, Kunming, Yunnan 650093, P.R. China.
2. Professor, School of Land and Resources Engineering, Kunming Univ. of Science and Technology, Kunming, Yunnan 650093, P.R. China; Yunnan Key Laboratory of Sino-German Blue Mining and Utilization of Special Underground Space, Kunming, Yunnan 650093, P.R. China (corresponding author). ORCID: .
3. Ph.D. Candidate, School of Land and Resources Engineering, Kunming Univ. of Science and Technology, Kunming, Yunnan 650093, P.R. China; Yunnan Key Laboratory of Sino-German Blue Mining and Utilization of Special Underground Space, Kunming, Yunnan 650093, P.R. China. ORCID: .