1. Res. Engr., Daewoo Inst. of Constr. Tech., Chui‐Am Bldg. 8th Floor, Daechi‐Dong Kangnam‐GU, Seoul, Korea
2. Formerly Grad. Student, State Univ. of New York at Buffalo, Buffalo, NY 14260
3. Asst. Prof., State Univ. of New York at Buffalo, Dept. of Civ. Engrg., 244 Ketter Hall, Buffalo, NY