1. Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401 (corresponding author).
2. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401.
3. Senior Technology Applications Engineer, CB&I Federal Services, Lawrenceville, NJ 08648.
4. Professor and Head, Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401.