| 多因素下AC型HMA的水损害性能 |
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| 引用本文： | 陆学元. 多因素下AC型HMA的水损害性能[J]. 重庆交通大学学报(自然科学版), 2010, 29(4): 563-567,591 |
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| 作者姓名： | 陆学元 |
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| 作者单位： | 安徽省高速公路控股集团有限公司,安徽,合肥,230051 |
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| 基金项目： | 安徽省2005年交通科技进步计划项目 |
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| 摘 要： | 应用正交试验设计分析了多因素下AC-13和AC-20热拌改性沥青混合料冻融劈裂强度的影响因素及其相关性。结果表明,级配组成是决定AC-13沥青混合料冻融劈裂强度的关键性影响因素,而油石比变化影响则较小;空隙率和砂当量是影响AC-20沥青混合料冻融劈裂强度的关键因素;冻融劈裂强度与马歇尔性能指标存在良好的线性关系。最后,给出了提高施工质量控制措施的建议。
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| 关 键 词： | 道路工程 AC型沥青混合料 试验设计 冻融劈裂强度 影响因素 相关性 |
Water Damage Property of AC Hot Asphalt Mixture by Various Factors |
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| LU Xue-yuan. Water Damage Property of AC Hot Asphalt Mixture by Various Factors[J]. Journal of Chongqing Jiaotong University, 2010, 29(4): 563-567,591 |
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| Authors: | LU Xue-yuan |
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| Affiliation: | LU Xue-yuan (Anhui Expressway Holding Group Co.,Ltd.,Hefei 230051,Anhui,China) |
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| Abstract: | According to orthogonal experimental design,factors influencing freezing-thawing splitting strength of AC-13 and AC-20 modified asphalt mixture as well as their relativiy were studied.Through the test,it was demonstrated that the gradation composition played a desicive role in determining the AC-13 asphalt mixture freezing-thawing splitting strength,while it exerted little influence on the OAC;VV and sand equivalent value were crucial factors for AC-20 asphalt mixture freezing-thawing splitting strength;the... |
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| Keywords: | road engineering AC asphalt mixture test design freezing-thawing splitting strength influencing factors correlation |
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