1. Ph.D. Student, Dept. of Civil Engineering, Imam Khomeini International Univ., Qazvin 33780021, Iran (corresponding author).
2. Dept. of Civil Engineering, Univ. College of Omran–Tosses, Hamadan 38230410, Iran.
3. Assistant Professor, Dept. of Civil Engineering, Razi Univ., Kermanshah 34276167, Iran.
4. Ph.D. Student, Dept. of Civil Engineering, Imam Khomeini International Univ., Qazvin 33780021, Iran.