Efficiency air-entraining water-reducing agent in concrete Study on the freeze-thaw resistance

被引：8
|
作者：
Hang Meiyan [1 ]
Zhang Wei [2 ]
机构：
[1] Inner Mongolia Univ Sci & Technol, Sch Architecture & Civil Engn, Qingnian Rd,Neighborhood 14, Baotou 014010, Peoples R China
[2] Equipment Power Dept Baotou Steel Grp Co, Baotou 014010, Peoples R China
来源：
FRONTIERS OF GREEN BUILDING, MATERIALS AND CIVIL ENGINEERING, PTS 1-8 | 2011年 / 71-78卷
关键词：
Air-entraining agent; Efficient air-entraining water-reducing agent; Strength; frost resistance;
D O I：
10.4028/www.scientific.net/AMM.71-78.3566
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, the frost resistance on different water-cement ratio of concrete after the air-entraining agent admixture. When the gas is controlled about 4%, with the lower water-cement ratio, freeze-thaw resistance of concrete is increased significantly. And then the frost resistance of YC20 and YC40 concrete which are mixed in efficient air-entraining water-reducing agent were studied, the experiment results that when the concrete YC40 reached F300, gas content reached more than 4.5%,and the strength without reducing, the durability would improve. But the YC20 is different, so, GL-B4-efficiency air-entraining water-reducing agent does not apply to the water-cement ratio above 0.6 of the concrete
引用
收藏
页码：3566 / +
页数：2
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