1. Professor, Science and Technology Innovation Platform of National Engineering Laboratory of Highway Maintenance Technology, Changsha Univ. of Science and Technology, Changsha 410114, China (corresponding author).
2. Ph.D. Candidate, Science and Technology Innovation Platform of National Engineering Laboratory of Highway Maintenance Technology, Changsha Univ. of Science and Technology, Changsha 410114, China.
3. Professor, Science and Technology Innovation Platform of National Engineering Laboratory of Highway Maintenance Technology, Changsha Univ. of Science and Technology, Changsha 410114, China.
4. P. E. Jiaxing Highway Administration, Zhejiang 314000, China.