1. Assistant Professor, Dept. of Civil and Environmental Engineering, 301 DuPont Hall, Univ. of Delaware, Newark, DE, US 19716, e-mail: cmeehan@udel.edu
2. Graduate Student, Purdue Univ., School of Civil Engineering, 550 Stadium Mall Dr., West Lafayette, IN, US 47907, e-mail: ftehrani@purdue.edu
3. Former Graduate Student, Dept. of Civil and Environmental Engineering, 301 DuPont Hall, Univ. of Delaware, Newark, DE, US 19716.
4. Senior Project Engineer, Paul C. Rizzo Associates, Inc., Pittsburgh, PA, US 15235
5. (Formerly Graduate Student, Dept. of Civil and Environmental Engineering, 301 DuPont Hall, Univ. of Delaware, Newark, DE, US 19716), e-mail: farshid@udel.edu.