1. Ph.D. Research Fellow, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, NV 89557 (corresponding author).
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, NV 89557.
3. Professor and Chair, Dept. of Civil and Environmental Engineering, Univ. of Nevada, Reno, NV 89557.