1. Ph.D., Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai Univ., Nanjing 210098, China.
2. Professor, Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai Univ., Nanjing 210098, China (corresponding author).
3. Professor Emeritus, Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716; Consultant, ADAMA Engineering, 12042 SE Sunnyside Rd., Suite 711, Clackamas, OR 97015.
4. Lecturer, Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai Univ., Nanjing 210098, China.