| RAP对再生沥青混合料马歇尔指标的影响(英文) |
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| 引用本文： | A.Hussain,邱延峻. RAP对再生沥青混合料马歇尔指标的影响(英文)[J]. 重庆交通大学学报(自然科学版), 2012, 31(Z1): 724-728 |
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| 作者姓名： | A.Hussain 邱延峻 |
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| 作者单位： | 西南交通大学土木工程学院,中国四川成都,610031 |
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| 基金项目： | 巴基斯坦和美国的科学和技术合作项目 |
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| 摘 要： | 研究了旧沥青混合料(RAP)的种类及掺量对再生沥青混合料马歇尔指标的影响。以2种新集料(石灰岩和石英岩)及2种旧沥青混合料(Nowshera和Mandra)制备的集料,分别配制成热拌沥青混合料(HMA)的马歇尔试件,测试了不同RAP掺量(0%～100%)及不同RAP种类的沥青混合料的空隙率、沥青饱和度、矿料间隙率、马歇尔稳定度、流值及密度等指标。试验表明:含有RAP的混合料具有更高的稳定度值,且稳定度随着RAP含量的增加而增大。
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| 关 键 词： | 再生沥青混合料 混合料设计 马歇尔指标 |
Effect of Reclaimed Asphalt Pavement on the Properties of Asphalt Mixtures |
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| A.Hussain , Qiu.Yanjun. Effect of Reclaimed Asphalt Pavement on the Properties of Asphalt Mixtures[J]. Journal of Chongqing Jiaotong University, 2012, 31(Z1): 724-728 |
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| Authors: | A.Hussain Qiu.Yanjun |
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| Affiliation: | A.Hussain,Qiu.Yanjun(School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China) |
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| Abstract: | An experimental study was presented to eveluate the effect of the types and percentages of RAP on the Marshall performance index of asphalt mixtures.Adopting two different virgin aggregates(Limestone and Quartzite) and two different RAP sources(Nowshera and Mandra),preparing the Hot Mixture Asphalt Marshall specimens respectively,testing the different RAP ratio(0%~100%) and different types of asphalt mixture of air voids,asphalt saturation,voids of mineral aggregate,Marshall stability,flow value,density and other index.The results show that mixtures containing RAP showed high stability and the stability increased with the increase in RAP content. |
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| Keywords: | reclaimed asphalt pavement mixture design Marshall performance index |
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