1. School of Traffic and Transportation Engineering, Changsha University of Science and Technology, 960 Wanjiali S. Rd., Changsha, Hunan 410004, China
2. State Engineering Laboratory of Highway Maintenance Technology, Changsha University of Science & Technology, Changsha, Hunan 410004, China
3. Co-Innovation Center for Advanced Construction and Maintenance Technology of Modem Transportation Infrastructural Facility, Changsha, Hunan 410004, China