Influence of Mineral Admixtures on the Carbonation Resistance and Chloride Permeability of Steam-cured HPC

被引：2
|
作者：
Wu Jianhua [1 ]
Liu Yunlan [1 ]
机构：
[1] Chongqing Univ, Dept Mat Sci & Engn, Chongqing 400045, Peoples R China
来源：
ECOLOGICAL ENVIRONMENT AND TECHNOLOGY OF CONCRETE | 2011年 / 477卷
关键词：
high performance concrete (HPC); carbonation-resistance; chloride permeability; steam-cured; fly-ash; ground granulated blast furnace slag; HIGH-PERFORMANCE CONCRETE; FLY-ASH; STRENGTH;
D O I：
10.4028/www.scientific.net/KEM.477.366
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper studies the influence of different mineral admixtures (fly ash and ground granulated blast furnace slag) on the carbonation resistance and chloride permeability of steam-cured HPC. The test results show that under the condition of steam-cured and standard-cured, incorporating 20-30% of the ground granulated blast furnace slag or 15-20% of fly ash decreased the alkalinity and the carbonation resistance of the concrete; with the increase of the proportion of the mineral admixture in concrete, carbonation resistance of HPC was decreased; incorporating 20-30% of the ground granulated blast furnace slag or 15-20% of fly ash improved the chloride permeability of steam-cured concrete, and the influence of ground granulated blast furnace slag is better than that of the fly ash.
引用
收藏
页码：366 / 374
页数：9
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