| SMA沥青混合料与单粒径集料高温压碎值探讨 |
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| 引用本文： | 秦仁杰,孙明,孙超,邹林,刘璨,王成斌.SMA沥青混合料与单粒径集料高温压碎值探讨[J].中南公路工程,2014(6):262-265. |
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| 作者姓名： | 秦仁杰 孙明 孙超 邹林 刘璨 王成斌 |
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| 作者单位： | 长沙理工大学,湖南长沙410004 |
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| 摘 要： | 压碎值是评价集料抵抗压碎性能的指标。现行规范只对粒径（9.5~13.2 mm）集料的试验方法、步骤和评价指标有所说明,并未提及其它粒径和沥青混合料。结合我国道路实际情况,提出了SMA沥青混合料压碎值的方法、步骤和评价指标。通过对高温压碎值和常温压碎值比较,得出SMA沥青混合料和单粒径集料压碎值的相关分析,供读者参考。
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| 关 键 词： | 高温压碎值 SMA沥青混合料 单粒径集料 常温压碎值 |
Investigation on High Temperature Crushing Value of SMA Asphalt Mixture and Single Diameter Aggregate |
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| QIN Renjie,SUN Ming,SUN Chao,ZOU Lin,LIU Can,WANG Chengbin.Investigation on High Temperature Crushing Value of SMA Asphalt Mixture and Single Diameter Aggregate[J].Central South Highway Engineering,2014(6):262-265. |
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| Authors: | QIN Renjie SUN Ming SUN Chao ZOU Lin LIU Can WANG Chengbin |
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| Institution: | (Changsha University of Science ＆ Technology, Changsha, Hunan 410004, China) |
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| Abstract: | Crushing value is the evaluation index of crushing resistance for aggregate. Whereas the current specification generally applies to test methods for the aggregate whose diameter is between 9.5 mm and 13.2 mm, not to other diameter and asphalt mixture. According to the current situation of road in our country, test methods, steps and evaluation index of crushing value for SMA asphalt mixture are put forward, Compared with the crushing value of aggregate in high and normal temperature, correlation analysis on crushing value of SMA and single diameter aggregate is concluded for reference. |
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| Keywords: | high temperature crushing value SMA asphalt mixture single diameter crushing value in normal temperature |
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