采用五种不同级配类型沥青混合料，就沥青混合料的空隙率、沥青用量，对其疲劳性能的影响进行了系统地研究。
The paper studies the effect of air voids and asphalt cement on asphalt mixes fatigue properties with the five kinds of asphalt mixes composed of different type gradation.
通过大量室内试验研究了沥青混凝土矿料级配、沥青用量等因素对其体积性能(空隙率)和表面特性(构造深度)的影响。
Through lots of experiments for the factors that gravel grading and asphalt amount in asphalt concrete influences their porosity and structure depth.
采用体积法设计高空隙率的基体沥青混合料并通过马歇尔试验确定其最佳沥青用量；
An asphalt mixture base with a high void volume was designed by volume design procedure, and optimum asphalt content of mixture was determined by Marshall test.
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