1. Professor, State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu Univ. of Technology Chengdu, China.
2. Professor, Dept. of Civil and Environmental Engineering, Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
3. Associate Professor, Dept. of Geotechnical Engineering, School of Civil Engineering, Beijing Jiaotong Univ. (BJTU), China (corresponding author).