1. Research Assistant, Dept. of Civil and Environmental Engineering, United Arab Emirates Univ., P.O. Box 15551, Al Ain, UAE.
2. Associate Professor, Dept. of Civil and Environmental Engineering, United Arab Emirates Univ., P.O. Box 15551, Al Ain, UAE.
3. Associate Professor, Dept. of Civil and Environmental Engineering, United Arab Emirates Univ., P.O. Box 15551, Al Ain, UAE (corresponding author).