1. Ph.D. Candidate, Dept. of Geotechnical Engineering, Tongji Univ., Shanghai 200092, China.
2. Associate Professor, Dept. of Geotechnical Engineering, Tongji Univ., Shanghai 200092, China; Research Scholar, Dept. of Geological Engineering, State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu 610059, China (corresponding author).