| 热拌及温拌再生SMA沥青混合料疲劳性能分析 |
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| 引用本文： | 季节,索智,石越峰,许鹰,徐世法,奚进.热拌及温拌再生SMA沥青混合料疲劳性能分析[J].建筑材料学报,2015,18(6):1095-1098. |
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| 作者姓名： | 季节 索智 石越峰 许鹰 徐世法 奚进 |
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| 作者单位： | 北京建筑大学土木与交通工程学院,北京100044,北京建筑大学土木与交通工程学院,北京100044,北京建筑大学土木与交通工程学院,北京100044,北京建筑大学土木与交通工程学院,北京100044,北京建筑大学土木与交通工程学院,北京100044,北京建筑大学土木与交通工程学院,北京100044 |
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| 基金项目： | 北京市属高等学校高层次人才引进与培养计划项目（PXM2013 014210 000165）；国家自然科学基金资助项目（51478028） |
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| 摘 要： | 设计了RAP质量分数分别为0%,20%,30%的6种热拌及温拌再生SMA沥青混合料,并对其进行四点梁弯曲疲劳试验,采用耗散能法分析了RAP掺量、拌和方式对热拌及温拌再生SMA沥青混合料疲劳性能的影响.结果表明:热拌及温拌再生SMA沥青混合料的疲劳寿命与累积耗散能的关系不会随RAP掺量、拌和方式的变化而变化,疲劳寿命与累积耗散能在双对数坐标下,均表现出良好的线性关系.同时,还发现了热拌及温拌再生SMA沥青混合料的累积耗散能与RAP掺量、拌和方式之间的变化规律.
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| 关 键 词： | 热拌及温拌再生SMA沥青混合料 RAP 拌和方式 耗散能法 疲劳性能 |
| 收稿时间： | 5/8/2014 12:00:00 AM |
| 修稿时间： | 2014/7/26 0:00:00 |
Analysis on Fatigue Behaviors of Hot and Warm Recycled SMA Asphalt Mixture |
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| JI Jie,SUO Zhi,SHI Yuefeng,XU Ying,XU Shifa and XI Jin.Analysis on Fatigue Behaviors of Hot and Warm Recycled SMA Asphalt Mixture[J].Journal of Building Materials,2015,18(6):1095-1098. |
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| Authors: | JI Jie SUO Zhi SHI Yuefeng XU Ying XU Shifa and XI Jin |
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| Affiliation: | School of Civil Engineering and Transportation, Beijing University ofCivil Engineering and Architecture, Beijing 100044, China,School of Civil Engineering and Transportation, Beijing University ofCivil Engineering and Architecture, Beijing 100044, China,School of Civil Engineering and Transportation, Beijing University ofCivil Engineering and Architecture, Beijing 100044, China,School of Civil Engineering and Transportation, Beijing University ofCivil Engineering and Architecture, Beijing 100044, China,School of Civil Engineering and Transportation, Beijing University ofCivil Engineering and Architecture, Beijing 100044, China and School of Civil Engineering and Transportation, Beijing University ofCivil Engineering and Architecture, Beijing 100044, China |
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| Abstract: | The hot and warm recycled SMA asphalt mixtures with 0%, 20% and 30% RAP were designed. Four point bending fatigue test was conducted on the recycled SMA mixtures, and the energy dissipation method was employed to analyze the fatigue characteristics of the recycled SMA asphalt mixtures. It shows that the relationship between the fatigue life and cumulative dissipated energy of recycled asphalt mixtures does not change with the variation of RAP content and mixing mode. In a double logarithmic coordinate, there is a good linear relationship between the fatigue life and cumulative dissipated energy of recycled asphalt mixtures. At the same time, the regulation that the cumulative dissipated energy of recycled asphalt mixture varies with RAP content and mixing mode is found. |
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| Keywords: | hot and warm recycled SMA asphalt mixtures RAP mixing mode energy dissipation method fatigue behavior |
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