1. Ph.D. Candidate, Dept. of Civil Engineering, Science and Research Branch, Islamic Azad Univ., P.O. Box 14515-775, Tehran, Iran.
2. Associate Professor, Dept. of Bitumen and Asphalt, Road, Housing and Urban Development Research Center, P.O. Box 1696-13145, Tehran, Iran (corresponding author).
3. Associate Professor, Dept. of Civil Engineering, Science and Research Branch, Islamic Azad Univ., P.O. Box 14515-775, Tehran, Iran.