1. Postdoctoral Fellow, Ministry of Education Key Laboratory of Soft Soils and Geoenvironmental Engineering, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China.
2. Professor, Ministry of Education Key Laboratory of Soft Soils and Geoenvironmental Engineering, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China (corresponding author).
3. Professor, Ministry of Education Key Laboratory of Soft Soils and Geoenvironmental Engineering, Dept. of Civil Engineering, Zhejiang Univ., Hangzhou 310058, China.
4. Postdoctoral Fellow, Dept. of Civil and Environmental Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon 999077, Hong Kong.