1. Professor, Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang Univ., Hangzhou 310027, P.R. China; and Professor, College of Architecture and Civil Engineering, Wenzhou Univ., Wenzhou 325035, P.R. China (corresponding author).
2. Ph.D. Student, Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang Univ., Hangzhou 310027, P.R. China.
3. Associate Professor, College of Architecture and Civil Engineering, Wenzhou Univ., Wenzhou 325035, P.R. China.
4. Professor, Dept. of Civil Engineering, Clemson Univ., Kingstree, SC 29634.
5. Professor, Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang Univ., Hangzhou 310027, P.R. China.
6. Assistant Professor, College of Architecture and Civil Engineering, Wenzhou Univ., Wenzhou 325035, P.R. China.