1. Professor, Dept. of Civil Engineering, The Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
2. Visiting Scholar, Dept. of Civil Engineering, The Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
3. Associate Professor, Dept. of Civil Engineering, Huazhong Univ. of Science and Technology, 1037 Luoyu Rd., Wuhan, 430074, China.