1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 3143 Newmark Civil Eng Lab, MC-250, 205 N. Mathews Ave., Urbana, IL 61801 (corresponding author).
2. Associate Professor and Member of the Center of Excellence for Infrastructure Engineering and Management, School of Civil Engineering, Univ. of Tehran, Enghelab St., P.O. Box 11155-4563, Tehran, Iran.
3. Ph.D. Candidate, School of Civil Engineering, Univ. of Tehran, Enghelab St., P.O. Box 11155-4563, Tehran, Iran.