1. School of Safety Science and Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China
2. Emergency Research Institute, China Coal Research Institute CCRI, Beijing 100013, China
3. School of Civil Engineering, Liaoning Technical University, Fuxin 123000, Liaoning, China
4. School of Safety and Environment Engineering, Hunan Institute of Technology, Hengyang 421002, Hunan, China