Determination of chloride diffusion coefficient and gas permeability of concrete and their relationship

被引：56
|
作者：
Sugiyama, T [1 ]
Bremner, TW [1 ]
Tsuji, Y [1 ]
机构：
[1] UNIV NEW BRUNSWICK,DEPT CIVIL ENGN,FREDERICTON,NB E3B 5A3,CANADA
来源：
CEMENT AND CONCRETE RESEARCH | 1996年 / 26卷 / 05期
关键词：
D O I：
10.1016/S0008-8846(96)85015-0
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Chloride diffusion coefficient and gas permeability of concrete were experimentally determined. The relationship between them is discussed. Chloride diffusion coefficient was determined using saturated concrete by an accelerated electrical testing method. The chloride diffusion coefficient was found to be controlled by the water-to-cement ratio with about 2.2 times higher chloride diffusion coefficient for concrete with the water-to-cement ratio of 0.6 as compared with that of 0.4 water-to-cement ratio. Gas permeability was greatly influenced by the degree of saturation of the concrete. A correlation was found between chloride diffusion coefficient and gas permeability. Lightweight aggregate concrete was tested and compared with normal weight concrete with respect to chloride diffusion and gas permeability.
引用
收藏
页码：781 / 790
页数：10
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