1. Associate Professor, College of Civil and Transportation Engineering, Hohai Univ., 1 Xikang Road, Nanjing, 210098 CN (Corresponding author), e-mail: chen_jun2728@163.com
2. Lecturer, School of Engineering and Applied Science, Aston Univ., Aston Triangle, Birmingham, B4 7ET, GB, e-mail: y.zhang10@aston.ac.uk
3. Research Scientist, Department of Civil and Environmental Engineering, University of California Pavement Research Center, University of California, Davis, CA 95616, e-mail: hili@ucdavis.edu
4. Associate Professor, School of Transportation, Southeast University, 2 Sipailou, Nanjing, CN 210096, e-mail: gy@seu.edu.cn