1. Department of Geotechnical Engineering, Tongji University, 1239 Siping Rd., Shanghai 200092, China, https://orcid.org/0000-0002-3740-1110 (F.L.)
2. State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining & Technology, 1 Daxue Rd., Xuzhou 221116, China (Corresponding author), e-mail: cwang33@tongji.edu.cn, https://orcid.org/0000-0003-3232-7473
3. State Key Laboratory for GeoMechanics and Deep Underground Engineering, China University of Mining & Technology, 1 Daxue Rd., Xuzhou 221116, China