| 稀浆封层对沥青材料性能的影响研究 |
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| 引用本文： | 李章珍,高凤春,樊旭英,宋默然,唐浩.稀浆封层对沥青材料性能的影响研究[J].路基工程,2016,0(6):95-97. |
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| 作者姓名： | 李章珍 高凤春 樊旭英 宋默然 唐浩 |
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| 作者单位： | 1.河北建筑工程学院, 河北张家口 075000 |
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| 基金项目： | 河北省交通运输厅科技计划项目:寒冷地区公路沥青路面预防性养护技术应用效果评价研究（Y-2014037）；河北省科技厅项目:寒冷地区沥青路面使用性能衰变规律研究（15967619D） |
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| 摘 要： | 稀浆封层是公路沥青路面主要预养护技术措施之一。从沥青材料性能的角度出发，主要针对采取稀浆封层养护措施和未采取养护措施条件下的沥青路面进行沥青抽提室内试验，测定沥青针入度、脆点及软化点，通过分析沥青相关性能指标，研究稀浆封层对沥青感温性能、低温性能和高温性能的影响。研究结果表明:稀浆封层技术在一定程度上可有效改善沥青性能，验证了该技术在寒区沥青路面预养护中的适用性。
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| 关 键 词： | 稀浆封层 应用效果 室内试验 沥青路面 沥青性能 |
| 收稿时间： | 2019-11-09 |
Research on Influence of Slurry Seal on the Performance of Asphalt Material |
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| Abstract: | Abstract: Slurry seal is one of mainly pre-maintenance technical measures of highway asphalt pavement. From the perspective of asphalt material performance, the asphalt extracting laboratory test was carried out and the penetration degree, breaking point and softening point of asphalt were determined, which is mainly for asphalt pavement under the condition of slurry seal maintenance measure and no measures. Evaluation of slurry seal technology for the improvement effect of temperature susceptibility, low temperature performance and high temperature performance of asphalt has been worked out through the analysis of the relevant performance indicators of asphalt. The results show that the slurry seal technology can effectively improve the performances of asphalt to a certain extent, and its applicability is verified on the asphalt pavement maintenance in cold region. |
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