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沥青面层用矿料的级配离析是客观存在的。广惠高速公路A段上面层沥青混合料根据矿料的多次级配筛分平均值进行级配设计,并对使用效果进行数理统计分析。
Gradation of asphalt surface with mineral aggregate is an objective reality. A section of Guanghui Expressway asphalt mixture based on the aggregate gradation design of the multi-level screening of the aggregate, and the use of mathematical statistics.