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虽然不少高等级公路沥青路面的压实度都达到了要求,可路面仍出现早期损坏的现象;大多数水损坏是从表面层开始的。本文主要研究表面层常用的AC-13C(改性)其水稳定性,试验结果表明,冻融劈裂试验的试验原理、试件孔隙率和试验过程都能较好地模拟水损坏条件。
Although the compaction degree of asphalt pavement of many high-grade highways meets the requirements, the road surface still shows the phenomenon of early damage; most water damage starts from the surface layer. In this paper, the water stability of AC-13C (modified) which is commonly used in the surface layer is studied. The experimental results show that the experimental principle, the porosity of the specimen and the test process can well simulate the water damage conditions.