1. Professor, Dept. of Geotechnical Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China.
2. Engineer, Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, and Dept. of Geotechnical Engineering, Tongji Univ., Shanghai 200092, China; Shanghai Construction No. 2 (Group) Co., Ltd., Shanghai 200090, China.
3. Associate Professor, Dept. of Geotechnical Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China (corresponding author).