1. Postdoctoral Researcher, Dept. of Civil and Environmental Engineering, Univ. of Hong Kong, Haking Wong Bldg., Pokfulam Rd., Hong Kong; formerly, Ph.D. Candidate, Dept. of Geotechnical Engineering, School of Civil Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, P.R. China.
2. Professor, Dept. of Geotechnical Engineering, School of Civil Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, P.R. China (corresponding author).
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Hong Kong, Haking Wong Bldg., Pokfulam Rd., Hong Kong, China.
4. Ph.D. Candidate, Dept. of Civil Engineering, Shanghai Univ., Shanghai 200072, P.R. China.
5. Geotechnical Engineer, Shanghai Urban Construction (Group) Corporation, 654 Mengzi Rd., Shanghai 200023, P.R. China.