[1]张志峰,张昌波,冯忠绪,等.沥青混合料离析与空隙率的相关性分析[J].郑州大学学报(工学版),2008,29(04):73-76.[doi:10.3969/j.issn.1671-6833.2008.04.018]
　ZHANG Zhifeng,ZHANG Changbo,Feng Zhongxu,et al.Correlation analysis of asphalt mixture segregation and porosity[J].Journal of Zhengzhou University (Engineering Science),2008,29(04):73-76.[doi:10.3969/j.issn.1671-6833.2008.04.018]
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沥青混合料离析与空隙率的相关性分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
29
期数:
2008年04期
页码:
73-76
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Correlation analysis of asphalt mixture segregation and porosity
作者:
张志峰; 张昌波; 冯忠绪; 等.
长安大学道路施工技术与装备教育部重点实验室,陕西,西安,710064, 广东冠粤路桥有限公司,广东,广州,510635, 青岛科泰重工机械有限公司,山东,青岛,266500
Author(s):
ZHANG Zhifeng; ZHANG Changbo; Feng Zhongxu; etc
关键词:
沥青混合料;  集料离析;  温度离析;  空隙率;  压实度
Keywords:
DOI:
10.3969/j.issn.1671-6833.2008.04.018
文献标志码:
A
摘要:
以SUP16型沥青混合料为例,对现场施工中不同离析状况的沥青混合料进行了性能分析和试验研究,分析了沥青混合料集料离析和温度离析与空隙率的变化关系,以及空隙率对沥青路面压实度和平整度的影响.结果表明:粗集料集中混合料的空隙率平均值为9.5,吸水率高达2.0,粗集料离析对沥青混合料性能的影响更严重;空隙率的变化受沥青混合料温度的影响很明显.随着温度降低幅度增加.空隙率与设计值的偏离增大.路面的压实质量和平整度变差.
Abstract:
Taking SUP16 asphalt mixture as an example, the performance analysis and experimental study of asphalt mixture with different segregation conditions in on-site construction were carried out, and the relationship between aggregate segregation and temperature segregation of asphalt mixture and the change of void ratio, as well as the influence of void ratio on the compaction and flatness of asphalt pavement, were analyzed. The results show that the average porosity of coarse aggregate concentrated mixture is 9.5, and the water absorption rate is as high as 2.0, and the effect of coarse aggregate segregation on the performance of asphalt mixture is more serious. The change of porosity is obviously affected by the temperature of the asphalt mixture. The amplitude increases with the decrease in temperature. The deviation between the porosity and the design value increases. The compaction quality and flatness of the pavement deteriorate.

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更新日期/Last Update: 1900-01-01