1. Professor, Dept. of Civil and Environmental Engineering, 301 DuPont Hall, Univ. of Delaware, Newark, DE 19716 (corresponding author).
2. Civil Associate, Michael Baker Jr., Inc., 300 American Metro Blvd., Hamilton, NJ 08619; formerly, Graduate Student, Dept. of Civil and Environmental Engineering, 301 DuPont Hall, Univ. of Delaware, Newark, DE 19716.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, 301 DuPont Hall, Univ. of Delaware, Newark, DE 19716.