1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts Amherst, 130 Natural Resources Rd., Amherst, MA 01002 (corresponding author).
2. Masters of Science in Civil Engineering, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts Amherst, 130 Natural Resources Rd., Amherst, MA 01002.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts Amherst, 130 Natural Resources Rd., Amherst, MA 01002.
4. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Platteville, 139 Ottensman Hall, 1 University Way, Platteville, WI 53818.