1. Associate Member, ASCE
2. Member, ASCE
3. Asst. Prof., Dept. of Civ. Engrg., Nat. Cheng Kung Univ., No. 1, Ta-Hseuh Rd., Tainan, Taiwan. E-mail: cfeng1@ms21.hinet.net
4. Adjunct Asst. Prof., Dept. of Civ. Engrg., Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
5. Assoc. Prof., Dept. of General Engrg., Univ. of Illinois at Urbana-Champaign, 104 S. Mathews Ave., Urbana, IL. E-mail: s-burns@uiuc.edu