1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, P.O. Box 11-0236, Riad El-Solh, Beirut 1107 2020, Lebanon.
2. Associate, Thornton Tomasetti Inc., 120 Broadway, New York, NY 10271 (corresponding author).
3. Professor, Dept. of Civil, Architectural and Environmental Engineering, Cockrell School of Engineering, Univ. of Texas at Austin, Austin, TX 78758.
4. Associate Professor, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, P.O. Box 11-0236, Riad El-Solh, Beirut 1107 2020, Lebanon.