1. Member, ASCE
2. Assoc. Prof., Dept. of Civ. Engrg., Hong Kong Univ. of Sci. and Technol., Clear Water Bay, Kowloon, Hong Kong.
3. Grad. Student, Dept. of Civ. Engrg., HKUST, Clear Water Bay, Kowloon, Hong Kong.
4. Grad. Student, Dept. of Civ. and Envir. Engrg., MIT, Cambridge, MA 02139.