The combined influence of chemical and mineral admixtures on the alkali-silica reaction

被引：2
|
作者：
Li, Z [1 ]
Mu, B [1 ]
Peng, J [1 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept Civil Engn, Kowloon, Peoples R China
来源：
MAGAZINE OF CONCRETE RESEARCH | 1999年 / 51卷 / 03期
关键词：
D O I：
10.1680/macr.1999.51.3.163
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The tests in accordance with the ASTM C227 (mortar bar test) have been carried out to investigate the effects of calcium nitrite (CN), fly ash, microsilica and their combination on the alkali-silica reaction (ASR). The chemically combined water X-ray diffraction and compressive strength of each batch of specimens were also measured to explore the mechanism of these effects. The results show that both mineral admixtures and the CN solution have positive effects in preventing ASR expansion. It is found that the addition of a CN solution in this experiment has additional effects, being favourable for strength development.
引用
收藏
页码：163 / 169
页数：7
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