1. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology (CUMT), Xuzhou 221116, China.
2. School of Mechanics and Civil Engineering, China University of Mining and Technology (CUMT), Xuzhou 221116, China.
3. Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China.
4. Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing 100101, China.