1. School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing), Ding No. 11 Xueyuan Rd., Haidian District, Beijing 100083, China; and State Key Laboratory for Geomechanics and Deep Underground Engineering (Beijing), Beijing 100083, China, https://orcid.org/0000-0002-4816-5766
2. School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing), Ding No. 11 Xueyuan Rd., Haidian District, Beijing 100083, China (Corresponding author), e-mail: cumtbzjj@163.com, https://orcid.org/0000-0003-3983-227X