Mix Proportion Design Method of Pervious Concrete Based on Aggregate Sphericity

被引：0
|
作者：
Wang C. [1 ]
Zhang T. [1 ,2 ]
Xie X. [1 ]
Li B. [3 ]
Yang D. [3 ]
机构：
[1] School of Materials Science and Engineering, South China University of Technology, Guangzhou
[2] Guangdong Low Carbon Technology Engineering Center for Building, South China University of Technology, Guangzhou
[3] Poly Changda Engineering Co., Ltd., Guangzhou
来源：
Jianzhu Cailiao Xuebao/Journal of Building Materials | 2022年 / 25卷 / 03期
关键词：
Aggregate sphericity; Mix proportion design; Pervious concrete; Skeleton structure parameter;
D O I：
10.3969/j.issn.1007-9629.2022.03.003
中图分类号：
学科分类号：
摘要：
To improve the design occuracy and prepare pervious concrete with target performance, two typical aggregates from practical engineering were selected. The sphericity of aggregates were characterized by Image Pro‑Plus, and the skeleton structure parameters of pervious concrete were measured and calculated. Based on the sphericity of the aggregate, the mix proportion design method of pervious concrete was modified. The results show that the mix proportion design method of pervious concrete based on aggregate sphericity can be applied to aggregates with low sphericity and broaden size range, and can significantly improve the accuracy and reliability of the mix proportion design method of pervious concrete, which has important guiding significance for the practical engineering application of pervious concrete. © 2022, Editorial Department of Journal of Building Materials. All right reserved.
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页码：235 / 241
页数：6
相关论文
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