1. Professor, Dept. of Civil Engineering, Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
2. Professor, Dept. of Civil Engineering, Southwest Univ., Nanjing, China.
3. Associate Director, Advanced Engineering Materials Facility, Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
4. Research Assistant, Advanced Engineering Materials Facility, Hong Kong Univ. of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.