1. Assistant Professor, Dept. of Basic Engineering, College of Engineering, Univ. of Dammam, P.O. Box 1982, Dammam 31451, Eastern Province, Kingdom of Saudi Arabia (corresponding author).
2. Assistant Professor, Dept. of Construction Engineering, Univ. of Dammam, P.O. Box 1982, Dammam 31451, Eastern Province, Kingdom of Saudi Arabia.
3. Associate Professor, Dept. of Construction Engineering, College of Engineering, Univ. of Dammam, P.O. Box 1982, Dammam 31451, Eastern Province, Kingdom of Saudi Arabia.
4. Dept. of Construction Engineering, Univ. of Dammam, P.O. Box 1982, Dammam 31451, Eastern Province, Kingdom of Saudi Arabia.