1. Assistant Professor, Civil & Environmental Engineering and Geodetic Science, The Ohio State Univ., 470 Hitchcock Hall, 2070 Neil Ave., Columbus, OH 43210-1275 (corresponding author). E-mail; sezen.l@osu.edu.
2. Professor, Dept. of Civil, Structural and Environmental Engineering, 230 Ketter Hall, Univ. at Buffalo, State Univ. of New York, Buffalo, NY 14260.