To analyze the features of the large-size asphalt mixture and the mechanism of strength formation and make a research on the gradation design of it.
分析了大粒径沥青混合料的结构组成特性和强度构成机理，对大粒径沥青混合料的配合比设计进行研究。
The results indicate that with this testing method, an visual gradation design is realized and the conclusions derived may serve as a guideline for the design and the construction of asphalt mixture.
结果表明，使用这种方法不仅实现了可视化级配设计，而且所得结论可以指导沥青混合料级配设计和施工。
Through a great number of Pu-Nan experiment datas, the pater put forward to the mixture design method, requirement of aggregate, gradation of mixture for dense graded aggregate base.
本文结合浦南路实测资料，提出了多雨潮湿地区级配碎石的设计指标、材料技术要求、级配范围要求。
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