1. Associate Professor, Dept. of Civil and Environmental Engineering, Georgia Institute of Technology, 210 Technology Circle, Savannah, GA 31407; and Changjiang Scholar, Changan Univ. (corresponding author).
2. Doctoral Student, Dept. of Civil and Environmental Engineering, Georgia Institute of Technology, 210 Technology Circle, Savannah, GA 31407.
3. Doctoral Student, Dept. of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr., Atlanta, GA 30332. E-mail: rpurcell3@gatech.edu
4. Assistant Director, Office of Materials and Research, Georgia Dept. of Transportation, 15 Kennedy Dr., Forest Park, GA 30297.