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我国高速公路沥青路面的水损坏现象比较严重。文章通过不同掺量的消石灰对沥青混合料冻融劈裂和浸水残留稳定度试验,确定其对提高沥青路面水稳定性的作用。分析了在施工过程中四种不同的消石灰掺加方法的优缺点,提出符合我国实际情况的消石灰掺加工艺。
Water damage of asphalt pavement in our country is serious. In this paper, freeze-thaw and submergence stability test of bituminous mixture with different dosage of slaked lime was carried out to determine its effect on improving water stability of asphalt pavement. The advantages and disadvantages of four different methods of adding slaked lime during construction are analyzed, and the technology of adding slaked lime in line with the actual situation in our country is proposed.