| SMA混合料骨架级配设计方法的探讨 |
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| 引用本文： | 郑嘉,赵阳,史洋博.SMA混合料骨架级配设计方法的探讨[J].山西建筑,2012(23):118-119. |
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| 作者姓名： | 郑嘉 赵阳 史洋博 |
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| 作者单位： | 重庆交通大学土木建筑学院;重庆交通大学河海学院 |
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| 摘 要： | 针对沥青玛脂碎石混合料(SMA)特有的骨架结构特点,采用球状模型对粗集料骨架构成进行分析,根据此原理,计算了两种集料分布下不使粗集料发生推移所需细集料的尺寸,结果表明:该理论可分析与控制混合料中的石—石接触,对沥青玛脂碎石混合料集料配合比设计具有参考价值。
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| 关 键 词： | 道路工程 SMA 粗集料骨架 |
On exploration for gradation design methods for SMA mixture framework |
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| ZHENG Jia,ZHAO Yang,SHI Yang-bo.On exploration for gradation design methods for SMA mixture framework[J].Shanxi Architecture,2012(23):118-119. |
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| Authors: | ZHENG Jia ZHAO Yang SHI Yang-bo |
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| Affiliation: | 1.School of Civil Engineering and Architecture,Chongqing Jiaotong University,Chongqing 400074,China; 2.School of River and Ocean Engineering,Chongqing Jiaotong University,Chongqing 400074,China) |
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| Abstract: | According to the typical framework structure features of the Stone Matrix Asphalt(SMA) mixture,the paper adopts the spherical model to analyze the aggregate framework,calculates the sizes of the fine aggregates of the two aggregate distributions without shifting the coarse aggragate according to the principle,and proves by the result that the theory can analyze and control the stone-stone contacting in the mixture,so it has the reference value for the aggregate mixing proportion for the SMA mixture. |
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| Keywords: | road project SMA coarse aggregate |
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