1. Department of Building and Construction Techniques Engineering, Al-Mustaqbal University College, Hilla 51001, Babylon, Iraq
2. Department of Civil Engineering, School of Engineering, University of the Peloponnese, GR-26334 Patras, Greece
3. School of Science and Technology, Hellenic Open University, GR-26335 Patras, Greece
4. Department of Civil Engineering, College of Engineering, Taif University, P.O. Box 11099, Taif City 21974, Saudi Arabia