1. Ministry of Transport of the People's Republic of China (2001). Technical specifications of cement concrete pavement maintenance for highway (JTJ 073.1-2001) China Communications Press Beijing.
2. Ministry of Transport of the People's Republic of China (2001). Technical specifications for maintenance of highway asphalt pavement (JTJ 073.2-2001) China Communications Press Beijing.
3. Yao S.G. (1985). Study on long term performance of pavement skid-resistance Position paper of the China's 6 th five-year plan Research institute of highway ministry.