| 沥青老化评价指标分析及老化程度研究 |
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| 引用本文： | 汪莹.沥青老化评价指标分析及老化程度研究[J].路基工程,2014,0(6):63-68. |
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| 作者姓名： | 汪莹 |
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| 作者单位： | 南京交通职业技术学院, 南京 211188 |
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| 基金项目： | 江苏省节能减排中心项目:高效便携式沥青路面现场热再生养护设备研发 |
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| 摘 要： | 通过研究沥青老化的过程及规律,在对现行规范中评价沥青老化的各项指标进行试验分析的基础上,回归了沥青的老化指标与老化时间之间的关系,采用综合指标来确定沥青老化的速率及界定老化的等级,为后期进行旧沥青再生及旧沥青混合料性能的改善时,根据沥青材料的老化程度,采用相应的再生措施。
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| 关 键 词： | 沥青老化 评价指标 老化速率 老化等级 |
| 收稿时间： | 2019-11-12 |
Study on Indicators Evaluating Asphalt Aging and the Aging Degree |
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| Authors: | WANG Ying |
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| Institution: | WANG Ying ( Nanjing Communications Institute of Technology, Nanjing 211188, China) |
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| Abstract: | This paper, based on the study on process and rule of asphalt aging, carried out experimentalanalysis of the indicators evaluating asphalt aging specified in relation between the aging indicators and the aging time was the current standards, depending on which the regressed , with the aging rate to be determined and the aging level defined by the comprehensive indicators. Therefore, in the later recycling of old asphalt and performance improvement of old asphalt mixture, the corresponding recycling measures may be used according to the aging degree of the asphalt material. |
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| Keywords: | asphalt aging evaluation indicator aging rate aging level |
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