1. Ph.D. Student, Dept. of Geotechnical Engineering, Nanjing Hydraulic Research Institute, Nanjing 210024, China.
2. Professor, Dept. of Geotechnical Engineering, Nanjing Hydraulic Research Institute, Nanjing 210024, China (corresponding author).
3. Professor, Dept. of Geotechnical Engineering, Nanjing Hydraulic Research Institute, Nanjing 210024, China.