Affiliation: | 1. School of Civil and Resources Engineering, University of Science and Technology Beijing, Beijing 100083, China;2. Zhaolou Coal Mine, Yanzhou Coal Heze Energy and Chemical Company Limited, Heze 274000, China;3. Hebei State Key Laboratory of Mine Disaster Prevention, North China Institute of Science and Technology, Sanhe 101601, China;4. Liuhuanggou Coal Mine, Yankuang Xinjiang Mining Co., Ltd., Changji 831100, China |