Effect of curing conditions on the permeability of concrete with high volume mineral admixtures

被引：82
|
作者：
Liu, Baoju [1 ]
Luo, Guo [1 ]
Xie, Youjun [1 ]
机构：
[1] Cent S Univ, Sch Civil Engn, Changsha 410075, Hunan, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 167卷
基金：
中国国家自然科学基金;
关键词：
Curing conditions; Carbonation depth; Capillary water absorption; Electric flux; Mineral admixture; Water absorption; BLENDED CEMENT CONCRETE; FLY-ASH; COMPRESSIVE STRENGTH; SILICA FUME; SLAG; MORTARS; CARBONATION; SORPTIVITY; RESISTANCE; PENETRATION;
D O I：
10.1016/j.conbuildmat.2018.01.190
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The influence of mineral admixtures and curing conditions on the permeability of concrete with high volume mineral admixtures is investigated. Fly ash and ground granulated blast furnace slag (GGBFS) are used to replace 50% cement, the water absorption, capillary water absorption, sorptivity coefficient, electric flux and carbonation depth of concrete with mineral admixtures are tested under different curing conditions, such as the curing time, curing humidity and curing temperature. The test results show that the water absorption, capillary water absorption, sorptivity coefficient, electric flux and carbonation depth of concrete decrease with the longer standard curing time, higher curing humidity and appropriate curing temperature, and decrease with the increasing of GGBFS content. It is also shown that the permeability of concrete with high volume mineral admixtures is very sensitive to the curing conditions. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：359 / 371
页数：13
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