| 低温地区沥青混合料冻融疲劳特性分析 |
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| 引用本文： | 侯曙光,王宏畅,黄晓明,李志栋.低温地区沥青混合料冻融疲劳特性分析[J].公路交通科技,2006,23(4):7-10. |
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| 作者姓名： | 侯曙光 王宏畅 黄晓明 李志栋 |
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| 作者单位： | 东南大学,交通学院,江苏,南京,210096 |
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| 摘 要： | 通过冻融及非冻融沥青混合料疲劳试验对沥青混合料的疲劳特性进行了研究，利用试验结果，得出了冻融前后不同油石比沥青混合料的耗散能疲劳方程。分析结果表明：冻融对混合料疲劳寿命产生很大影响，同时提出了高寒地区满足抗疲劳性能的最小油石比。为工程设计提供了理论依据。
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| 关 键 词： | 冻融循环 疲劳试验 耗散能疲劳方程 疲劳寿命 |
| 文章编号： | 1002-0268（2006）04-0007-04 |
| 收稿时间： | 2005-01-17 |
| 修稿时间： | 2005-01-17 |
Analysis of Freez-thaw Fatigue Performance for Asphalt Mixture in Low Temperature Zone |
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| HOU Shu-guang,WANG Hong-chang,HUANG Xiao-ming,LI Zhi-dong.Analysis of Freez-thaw Fatigue Performance for Asphalt Mixture in Low Temperature Zone[J].Journal of Highway and Transportation Research and Development,2006,23(4):7-10. |
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| Authors: | HOU Shu-guang WANG Hong-chang HUANG Xiao-ming LI Zhi-dong |
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| Institution: | Transportation College of Southeast University, Jiangsu Nanjing 210096, China |
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| Abstract: | Asphalt mixture fatigue performance is studied with freez-thaw and non-freez-thaw fatigue test of asphalt mixture.Through the test, dissipated energy fatigue equations of mixtures with different asphalt content have been obtained. The analysis results indicate that asphalt mixture fatigue life is greatly influenced by freezing and thawing process, in addition, the minimum asphalt content satisfied with mixture fatigue resistance is put forward. |
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| Keywords: | Freez-thaw cycle Fatigue test Dissipated energy fatigue equation Fatigue life |
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