1. Structural Engineer, Pure Technologies, 3040 State Route 22 West, Suite 130, Branchburg, NJ 08876.
2. Senior Structural Engineer, Pure Technologies, 3040 State Route 22 West, Suite 130, Branchburg, NJ 08876 (corresponding author).
3. Assistant Professor, Dept. of Civil Engineering, Lebanese American Univ., 211 E 46th St., New York, NY 10017.