Effect of W/B to the Time Dependent Chloride Diffusion in Concrete with GGBS

被引：1
|
作者：
Song, Luguang [1 ]
Sun, Wei [1 ]
Gao, Jianming [1 ]
机构：
[1] Southeast Univ, Jiangsu Key Lab Construct Mat, Coll Mat Sci & Engn, Nanjing 211189, Jiangsu, Peoples R China
来源：
ADVANCED BUILDING MATERIALS AND SUSTAINABLE ARCHITECTURE, PTS 1-4 | 2012年 / 174-177卷
关键词：
chloride transport; apparent diffusion coefficients; surface chloride concentration; time dependency; water to binder ratio;
D O I：
10.4028/www.scientific.net/AMM.174-177.144
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper studied the influence of water to binder ratio to time dependent diffusion coefficients in concrete exposed to marine environments. And a refined diffusion model which considered the time dependent apparent diffusion coefficients and time dependent surface chloride concentration was established. It was found that both apparent diffusion coefficients and surface chloride concentration are time dependent and both are significantly influenced by water to binder ratio. Apparent diffusion decrease with time while surface chloride concentration increase with time. but water to binder ratio has similar influence to the constant of time dependent diffusion coefficients and the parameter of time dependent surface chloride concentration.
引用
收藏
页码：144 / 147
页数：4
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