1. Associate Professor, State Engineering Laboratory of Highway Maintenance Technology, Changsha Univ. of Science and Technology, 960, 2nd Section, Wanjiali South Rd., Changsha 410004, China (corresponding author). ORCID: .
2. School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, 960, 2nd Section, Wanjiali South Rd., Changsha 410004, China.
3. Master Student, School of Traffic and Transportation Engineering, Changsha Univ. of Science and Technology, 960, 2nd Section, Wanjiali South Rd., Changsha 410004, China.
4. Professor, Dept. of Civil and Environmental Engineering, Michigan Technological Univ., 1400 Townsend Dr., Houghton, MI 49931-1295.