1. Assistant Professor, Dept. of Civil Engineering, Lebanese American Univ., 211 E 46th St., New York, NY 10017 (corresponding author).
2. Undergraduate Student, Dept. of Civil Engineering, Lebanese American Univ., 211 E 46th St., New York, NY 10017.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Michigan, 2350 Hayward St., Ann Arbor, MI 48109.