1. PhD Student, Dept. of Civil and Structural Engineering, The Hong Kong Poly. Univ., Hung Hom, Kowloon, Hong Kong.
2. Professor, Dept. of Civil and Structural Engineering, The Hong Kong Poly. Univ., Hung Hom, Kowloon, Hong Kong.
3. Chair Professor, Dept. of Civil Engineering, The Univ. of Hong Kong, Hong Kong.