一、路面养护 (一)预防性养护法国公路路面的养护是按照国家统一制定的“国道预防性养护指南”进行的。其基本原则是实行预防性养护。预防性养护的主要内容是: 1.使路面结构达到应有的承载能力,以适应交通量的发展。 2.确保行车安全舒适。 3.保护路面面层不使破坏。为了能够做到有计划的预防性养护,从 I. Pavement Maintenance (I) Preventive Maintenance The maintenance of French road pavement is carried out in accordance with the “Guide for National Preventive Maintenance” formulated by the state. Its basic principle is the implementation of preventive maintenance. Preventive maintenance of the main elements are: 1. The pavement structure to achieve the appropriate carrying capacity to adapt to the development of traffic. 2 to ensure safe and comfortable driving. 3. Protect the pavement surface does not make damage. In order to be able to do planned preventive maintenance, from