1. Assistant Professor, Dept. of Civil Engineering, Islamic Azad Univ., Qazvin Branch, Qazvin 34119-15195, Iran (corresponding author).
2. Postgraduate in Earthquake Engineering, Dept. of Civil Engineering, Islamic Azad Univ., Qazvin Branch, Qazvin 34119-15195, Iran.
3. Assistant Professor, Dept. of Engineering Technology, South Carolina State Univ., Orangeburg, SC 29115.