阐述了高速公路路面预防性养护工作的含义及其重要性，针对沥青混凝土路面的常见问题，提出了混合稀浆密封路面、微表处理、雾封层养护等预防性养护对策，从而有效地控制养护的成本投入，及时解决路面出现的问题。%The paper illustrates the definition of the pavement prevention maintenance on expressways and its importance,and points out the maintenance strategies including the mixed slurry seal pavement,micro-surfacing treatment and fog seal according to some problems in the asphalt concrete pavement projects,so as to control the cost in the maintenance and solve problems on pavement.
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