阐述了高速公路沥青路面养护的概念，从热沥青灌缝、沥再生、稀浆封层、薄层罩面等方面，介绍了高速公路中常用的预防性养护技术，并结合山西某高速公路的实际情况，选用沥再生技术对该路面进行预防性养护，取得了良好的养护效果，延长了路面的使用寿命。%The paper describes the concepts of highway asphalt pavement maintenance,introduces common preventive highway maintenance tech-nologies from aspects of hot asphalt joint,asphalt recycling,slurry sealing,and thin overlay,carries out preventive maintenance by selecting as-phalt recycling technology according to actual highway conditions in Shanxi province. As a result,it achieves great maintenance effect and pro-longs pavement servicing life.
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