1State Key Laboratory of Coal Resources and Safe Mining, China University of Mining & Technology at Beijing, Beijing 100083, China
2Department of Engineering Mechanics, School of Aerospace, Tsinghua University, Beijing 100084, China
3State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, # 1 University Avenue, Xuzhou 221006, China
4Aramco Research Center, Houston, TX 77084, USA
5Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA