Influence of mineral admixtures on the permeability of lightweight aggregate concrete

被引：0
|
作者：
Wang Fazhou
Hu Shuguang
Ding Qingjun
Peng yanzhou
机构：
[1] Wuhan University of Technology,Key Laboratory of Silicate Materials Science and Engineering, Ministry of Education
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed | 2005年 / 20卷 / 2期
关键词：
LC; mineral admixture; chloride penetrability test; interface self-reinforcing effect;
D O I：
10.1007/BF02838506
中图分类号：
学科分类号：
摘要：
The permeability of lightweight aggregate concrete was studied. Some efforts were taken to increase the resistance of lightweight aggregate concrete (LC) to water penetration by using the mineral admixtures of fly ash, granulated blast furnace slag or silica fume. Accelerated chloride penetrability test and liquid atmosphere press method were used to study the anti-permeability of lightweight aggregate concrete. The experimental results show that fly ash, granulated blast furnace slag and silica fune can decrease the permeability of lightweight aggregate concrete, but the effect of granulated blast furnace slag is poor. According to the SEM and pore structure analyzing results, an interface self-reinforcing effect model was presented and the reinforced mechanism of mineral mixture on LC was discussed according to the model described by authors.
引用
收藏
页码：115 / 118
页数：3
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