1. Professor, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong (corresponding author).
2. Ph.D. Candidate, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.
3. Senior Engineer, Bridges and Structures Division, Highways Department, Hong Kong Special Administrative Region Government, Hong Kong.
4. Professor Emeritus, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.