1. Ph.D. Candidate, Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Geotechnical Research Institute of Hohai University, Hohai Univ., Nanjing 210098, China.
2. Professor, Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Geotechnical Research Institute of Hohai University, Hohai Univ., Nanjing 210098, China (corresponding author).
3. Graduate Student, Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Geotechnical Research Institute of Hohai University, Hohai Univ., Nanjing 210098, China.
4. Lecturer, College of Civil Engineering, Nanjing Forestry Univ., Nanjing 210037, China.