试验结果与分析表明，各种添加剂的掺入将使最佳沥青用量增加约0。
Results and analyses show that the use of the additives will increase the optimum asphalt content by about 0.
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.
泡沫沥青混合料配合比设计的研究主要包括沥青的发泡、集料级配的确定、拌合用水量和最佳沥青用量的确定。
The research on proportion design of foamed asphalt mixture includes: foaming of asphalt, gradation, and the best amount of mixing water and asphalt. Its design method and steps are put forward.
结果表明，采用粗细集料搭配均匀的连续密级配和适中的沥青用量可以获得最佳的抗永久变形能力。
The results show that best permanent deformation resistance can be got when continuous dense gradation, which has even arrangement of coarse and fine aggregate is adopted.
结果表明，采用粗细集料搭配均匀的连续密级配和适中的沥青用量可以获得最佳的抗永久变形能力。
The results show that best permanent deformation resistance can be got when continuous dense gradation, which has even arrangement of coarse and fine aggregate is adopted.
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