1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, 1 Xikang Rd., Nanjing 210098, China (Corresponding author), e-mail: ygheitu@163.com, https://orcid.org/0000-0002-2611-7464
2. College of Civil and Transportation Engineering, Hohai University, 1 Xikang Rd., Nanjing 210098, China