1. Fellow, ASCE
2. Postdoctoral Fellow, Dept. of Mech. Engrg., Univ. of Hong Kong, Pokfulam Rd., Hong Kong.
3. Asst. Prof., Dept. of Mech. Engrg., Univ. of Hong Kong, Pokfulam Rd., Hong Kong.
4. Sir Robert H. Tung Chair, Dept. of Mech. Engrg., Univ. of Hong Kong, Pokfulam Rd., Hong Kong.