Introduction to the Pavement Preventive Maintenance Technology

Preventive maintenance is a new concept of maintenance technology. When the road maintenance department has a good pavement structure or a pavement disease at the initial stage, it will maintain it to prevent the road disease from developing to a deeper level, thereby extending the service life of the pavement. Operating methods and practical methods to keep the intactness and smoothness of the road, improve the quality of the road, reduce the lifetime cost of the road, and extend the duration of the repair or overhaul. This chapter introduces the purpose and significance of preventive maintenance, the background of the implementation of preventive maintenance technology in China, the status of preventive maintenance technology at home and abroad, the overview of preventive maintenance technology commonly used in China and its development trends.