1. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Connecticut, 261 Glenbrook Rd., Unit 2037, Storrs, CT 06269-2037 (corresponding author).
2. Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Connecticut, 261 Glenbrook Rd., Unit 2037, Storrs, CT 06269-2037.
3. Engineer, Martin/Martin Consulting Engineers, 12499 West Colfax Ave., P.O. Box 151500, Lakewood, CO 80215-3720.
4. Engineer, Simpson Gumpertz & Heger Inc. Consulting Engineers, 41 Seyon St., Building #1, Suite 500, Waltham, MA 02453.