1. School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
2. Key Laboratory of Gas and Fire Control for Coal Mines, Xuzhou 221116, People’s Republic of China
3. School of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, People’s Republic of China
4. Zhong-an Academy of Safety Engineering, Beijing 100083, People’s Republic of China
5. School of Safety Engineering, North China Institute of Science and Technology, Yanjiao 101601, People’s Republic of China