Effect of Admixed Recycled Aggregate on Properties of Recycled Concrete

被引：0
|
作者：
Zhao, Yajun [1 ]
Gao, Ying [1 ]
He, Lili [1 ]
机构：
[1] Hebei Univ Engn, Coll Civil Engn, Handan 056038, Peoples R China
来源：
ADVANCED BUILDING MATERIALS AND SUSTAINABLE ARCHITECTURE, PTS 1-4 | 2012年 / 174-177卷
关键词：
Recycled aggregate; Recycled concrete; Mix proportion; Orthogonal design;
D O I：
10.4028/www.scientific.net/AMM.174-177.743
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The mixture proportion of recycled concrete was discussed by orthogonal design method. The influence of water-cement ratio, recycled aggregate quantity on workability, cube compressive strength of recycled concrete was analyzed. The experimental results indicated that, Recycled concrete mix proportion design should consider the impact of the water absorption of recycled aggregate. Unit water amount of recycled concrete should be plain concrete unit water consumption and recycled aggregate additional amount of water. Sand ratio should increase in the corresponding ordinary aggregate concrete sand ratio on the basis of 1 to 3 percent. When the water-cement ratio is 0.36 and construction waste content of 40% slag content of 20%, 28d compressive strength of concrete is 48.1MPa, slightly higher than the reference concrete (48.0MPa).
引用
收藏
页码：743 / 746
页数：4
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