1. Civil Engineering Department, COMSATS University Islamabad, Wah Cantt 47040, Pakistan
2. Lecturer, Civil Engineering Department, HITEC University, Taxila 47080, Pakistan
3. School of Surveying and Built Environment, University of Southern Queensland, Springfield, QLD 4300, Australia
4. Department of Civil Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
5. Department of Construction Engineering and Management, School of Civil and Environmental Engineering, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan