The effect of shrinkage-reducing admixture on mechanical properties and volume stability of concrete

被引：3
|
作者：
Han, JG [1 ]
Yan, PY [1 ]
机构：
[1] Tsing Hua Univ, Dept Civil Engn, Beijing 100084, Peoples R China
来源：
ENVIRONMENTAL ECOLOGY AND TECHNOLOGY OF CONCRETE | 2006年 / 302-303卷
关键词：
shrinkage-reducing admixture; autogenous shrinkage; drying shrinkage; restrained shrinkage stress;
D O I：
10.4028/www.scientific.net/KEM.302-303.230
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of shrinkage-reducing admixture (SRA) on setting time, mechanical properties and volume stability of concrete has been investigated. SRA delays setting time of concrete to a tolerable degree and slightly enhances its strength development except those in early age. SRA can significantly reduce autogenous shrinkage and drying shrinkage of concrete, resulting in a decrease of restrained shrinkage stress. Therefore, incorporating of SRA can enhance the anti-cracking ability of concrete under restrained condition.
引用
收藏
页码：230 / 234
页数：5
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