1. Assistant Professor, Department of Civil Engineering, College of Engineering, Al Imam Mohammad Ibn Saud Islamic Univ., Riyadh, 11432 SA (Corresponding author), e-mail: mubaziz@imamu.edu.sa
2. Department of Civil Engineering, Kanto Gakuin Univ., Mutsu-ura Higashi, Kanazawa-Ku, Yokohama, 236-8501 JP.
3. Assistant Professor, Department of Civil Engineering, Univ. of Engineering and Technology, Lahore, 54890, PK.