| 间断型密级配沥青混合料级配设计方法研究 |
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| 引用本文： | 马进,刘奕,谭兴友.间断型密级配沥青混合料级配设计方法研究[J].西部交通科技,2011(10):18-22. |
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| 作者姓名： | 马进 刘奕 谭兴友 |
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| 作者单位： | 广西交通投资集团有限公司,广西南宁,530012 |
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| 摘 要： | 文章以SAC-20间断型密级配沥青混合料配合比设计为例,介绍了SAC-20沥青混合料的原材料组成及其性能指标,阐述了以最大公称粒径19mm、间断点4.75mm和0.075mm作为控制点的理论配合比设计方法,并通过马歇尔试验,得出SAC-20沥青混合料的最佳油石比,同时对该油石比混合料的高温性能及水稳定性进行了验证。
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| 关 键 词： | 间断型密级配沥青混合料 级配设计 方法研究 |
Study on the Design Method of Mixture Ratio of Discontinuous Dense Grading Asphalt |
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| MA Jin,LIU Yi,TAN Xing-you.Study on the Design Method of Mixture Ratio of Discontinuous Dense Grading Asphalt[J].Western China Communication Science & Technology,2011(10):18-22. |
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| Authors: | MA Jin LIU Yi TAN Xing-you |
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| Institution: | MA Jin,LIU Yi,TAN Xing-you(Guangxi Communication Investment Group Co.,Ltd.,Nanning,Guangxi,530012) |
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| Abstract: | Taking the design of the mix ratio of SAC-20 discontinuous dense grading mixture as an example,the article introduces the components and performance index,and discusses the design method based on 19mm diameter,4.75mm discontinuous point and 0.075mm control point.Through Marshall test,the optimum binder aggregate ratio of SAC-20 asphalt mixture |
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| Keywords: | Discontinuous dense grading asphalt mixture Grading design Method study |
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