1. Ph.D. Candidate, School of Civil and Environmental Engineering, Atlanta, GA 30332-0355.
2. M.S., School of Civil and Environmental Engineering, Atlanta, GA 30332-0355.
3. Assistant Professor, School of Civil and Environmental Engineering, Atlanta, GA 30332-0355 (corresponding author).
4. Assistant Professor, School of Electrical and Computer Engineering, Atlanta, GA 30332-0250.