[1] State Key Laboratory of Mine Disaster Prevention and Control Cultivation Base, Shandong University of Science and Technology, Qingdao, Shandong 266590, China
[2] Geotechnical and Structural Engineering Research Center, Shandong University, Jinan, Shandong 250061, China
[3] Shanxi Jincheng Anthracite Mining Group, Zhaozhuang Coal Industry Co., Ltd., Jincheng, Shanxi 046600, China