1. Department of Civil Engineering, Shabestar Branch, Islamic Azad University, Shabestar, Iran
2. Department of Civil Engineering, University of Calgary, Calgary, Canada
3. Department of Structural Engineering, Faculty of Civil Engineering, University of Tabriz, Tabriz, Iran
4. Department of Civil Engineering, K.N. Toosi University of Technology, Tehran, Iran
5. Department of Buildings and Construction Techniques Engineering, College of Engineering, Al-Mustaqbal University, Babylon, Iraq