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寒冷地区沥青混合料的抗冻性能是其性能评价的主要对象,文章首次引入了冻融循环飞散试验,且提出了冻融循环飞散损失差的评价指标,通过混合料路用性能的评价可知试验方法和评价指标比较合理可行。
The frost resistance of asphalt mixture in cold area is the main object of its performance evaluation. The article introduces the freeze-thaw cycle fly-ash test for the first time, and puts forward the evaluation index of poor fly-ash loss in freeze-thaw cycle. Method and evaluation index is more reasonable and feasible.