公路投入运营后，沥青路面受到多方面因素的影响，会产生病害，影响交通安全。相关单位需加强对公路的养护，合理应用预防性养护技术，以减少沥青路面病害的不良影响，提高沥青路面的使用寿命。

After the highway is put into operation, the asphalt pavement is affected by many factors, which produce diseases and affect traffic safety. The relevant units need to strengthen the maintenance of roads and reasonably apply preventive maintenance technology, so as to reduce the adverse impact of asphalt pavement diseases and improve the service life of asphalt pavement.

U418.6