1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr., Atlanta, GA 30332 (corresponding author).
2. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr., Atlanta, GA 30332.
3. Full Professor, Dept. of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr., Atlanta, GA 30332.
4. Senior Advisor, Parsons Brinckerhoff Inc., 3340 Peachtree Rd., NE, Tower Place 100, Suite 2400, Atlanta, GA 30326.