Experimental Research on Compatibility between Underwater Anti-washout Admixture and Superplasticizer

被引：4
|
作者：
Hu, H. M. [1 ]
Yao, Z. X. [1 ]
Zeng, S. Y. [1 ]
Yu, B. B. [1 ]
机构：
[1] Xiamen Univ, Sch Architecture & Civil Engn, Xiamen 361005, Fujian, Peoples R China
来源：
ECOLOGICAL ENVIRONMENT AND TECHNOLOGY OF CONCRETE | 2011年 / 477卷
关键词：
underwater anti-washout admixture; superplasticizer; non-dispersible underwater concrete; compatibility;
D O I：
10.4028/www.scientific.net/KEM.477.190
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The compatibility between underwater-washout admixture(AWA) and two different types of superplasticizers, polycarboxylate-type and naphthalene-based, was studied. The results showed that, there were different compatibilities between AWA and different superplasticizer, but the differences were not apparent. Compatibility of AWA with polycarboxylate superplasticizer was better than that of naphthalene superplasticizer. When the solid content is same, the difference of compatibility between AWA and different brand polycarboxylate-type superplasticizer was very slight. The underwater concrete with good anti-washout performance, good fluidity, self-compacting ability and corrosion resistance can be prepared easily through the reasonable compound. However it was difficult to solve the retarding problem and the contradiction between good fluidity and strength of the non-dispersible underwater concrete.
引用
收藏
页码：190 / 199
页数：10
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