1. Assistant Professor, Dept. of Civil Engineering, The Univ. of Hong Kong, Pokfulam, Hong Kong, China.
2. Professor, Dept. of Civil Engineering, The Univ. of Hong Kong, Pokfulam, Hong Kong, China.
3. Head, Dept. of Civil Engineering, The Univ. of Hong Kong, Pokfulam, Hong Kong, China.
4. Research Student, Dept. of Civil Engineering, The Univ. of Hong Kong, Pokfulam, Hong Kong, China.