1. Assistant professor, Dept. of Civil Engineering, Islamic Azad Univ., Rasht Branch, Rasht, Iran (corresponding author).
2. Associate professor, Dept. of Civil Engineering, Babol Univ. of Technology, Iran.
3. Ph.D. Student, Dept. of Civil Engineering, Babol Univ. of Technology, Iran.
4. Graduate Student, Dept. of Civil Engineering, Lamei Gorgani Institute of Higher Education, Gorgan, Iran.
5. Assistant Professor and Faculty Member, Dept. of Structural Engineering in Road, Housing and Urban Development Research Center.