1. Assistant Professor, Center of Excellence for Concrete Research and Testing (CoE-CRT), Dept. of Civil Engineering, King Saud Univ., P.O. Box 800, 11421 Riyadh, Saudi Arabia.
2. Professor, Center of Excellence for Concrete Research and Testing (CoE-CRT), Dept. of Civil Engineering, King Saud Univ., P.O. Box 800, 11421 Riyadh, Saudi Arabia.
3. Assistant Professor, Center of Excellence for Concrete Research and Testing (CoE-CRT), Dept. of Civil Engineering, King Saud Univ., P.O. Box 800, 11421 Riyadh, Saudi Arabia (corresponding author).