1. Associate Professor, Dept. of Bridge Engineering, School of Transportation, Southeast Univ., Nanjing 210096, China (corresponding author)..
2. Professor, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
3. Former Student, Dept. of Civil and Environmental Engineering, Louisiana State Univ., Baton Rouge, LA 70803.
4. Professor, Dept. of Bridge Engineering, School of Transportation, Southeast Univ., Nanjing 210096, China.