1. School of Environmental and Biological Engineering, Henan University of Engineering, Zhengzhou 451191, China
2. Henan Engineering Laboratory of Comprehensive Treatment Technology for Environmental Geohazards in Coal Mine, Zhengzhou 451191, China
3. State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
4. Key Laboratory of Roads and Railway Engineering Safety Control (Shijiazhuang Tiedao University), Ministry of Education, Shijiazhuang 050043, China
5. Hebei Technology and Innovation Center on Safe and Efficient Mining of Metal Mines, Shijiazhuang 050043, China
6. School of Resources and Environment, Henan Polytechnic University, Jiaozuo 454000, China
7. PetroChina Coalbed Methane Company Limited, Beijing 100028, China
8. School of Civil Engineering, Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China