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高等级公路路面封层对道路整体面层防渗水起到决定性作用 ,同时为延长道路使用寿命和降低养护年限、频率起到积极效果。通过开阳高速公路下封层的施工实际 ,介绍和探讨预拌碎石热沥青单层表处在下封层施工中的应用 ,为沥青路面封层设计和施工提供有益的探索。
Sealing of high-grade highway pavement plays a decisive role in the seepage prevention of the whole surface of the road, and at the same time it plays a positive role in prolonging the service life of the road and reducing the maintenance period. Based on the actual construction of the sealer in Kaiyang Expressway, the application of pre-crushed hot asphalt single-layer watch in the construction of the lower sealer is introduced and discussed, which provides a useful exploration for the design and construction of the asphalt pavement seal.