1. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, No. 1 Daxue Rd., Xuzhou 221008, China
2. State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, No. 1 Daxue Rd., Xuzhou 221008, China (Corresponding author), e-mail: jiangbs@cumt.edu.cn, https://orcid.org/0000-0002-5555-5746