In the daily maintenance of highway, to improve the efficiency of resource utilization, reduce maintenance costs and reduce environmental pollution and then make the highway maintenance in accordance with the natural environment is the goal and direction of the exploration in the highway preventive maintenance. This paper mainly expounds how to use the waste asphalt mixture materials of milling and planer in the maintenance repair operations of the highway and puts forward the related technical measures for the preventive treatment of the pavement diseases of the low grade highway.%在公路日常养护中如何提高资源利用效率，降低养护成本，减少环境污染，进而使公路养护与自然环境相和谐，是公路预防性养护中所探索的目标和方向。本文重点阐述了如何利用高速公路养护维修作业中铣刨的废旧沥青混合料，对低等级公路的路面病害进行预防性处治的相关技术措施。
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