1. Assistant Professor, Bugshan Research Chair, King Saud Univ., PO Box 800, Riyadh 11421, Kingdom of Saudi Arabia (corresponding author).
2. Professsor, Bugshan Research Chair, King Saud Univ., PO Box 800, Riyadh 11421, Kingdom of Saudi Arabia.
3. Visiting Professor, Bugshan Research Chair, King Saud Univ., PO Box 800, Riyadh 11421, Kingdom of Saudi Arabia; and Professor, Civil Engineering, Univ. of Texas at Arlington, Arlington, TX 76019.
4. M.Sc. Student, King Saud Univ., PO Box 800, Riyadh 11421, Kingdom of Saudi Arabia.