In the process of asphalt pavement conservation,passive maintenance is made after the road surface appears problems.This mode of maintenance is difficult to achieve positive effect.Based on the maintenance needs of asphalt pavement,active maintenance mode has been gradually recognized.The new technology of preventive maintenance has become an important means for asphalt pavement maintenance,and it has an important effect on improving the maintenance effect of asphalt pavement.%在沥青路面养护过程中,被动养护是在路面出现问题之后再进行修补,这种养护模式难以取得积极效果.基于沥青路面的养护需要,主动式养护方式逐渐得到了认可.其中预防性养护新技术成为了解决沥青路面养护问题的重要手段,对提高沥青路面的养护效果具有重要作用.
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