Relation of Permeability by High Hydraulic Method and Chloride Ion Diffusion Coefficient of Concrete

被引：1
|
作者：
Ge, Yong [1 ]
Fan, Jie [1 ]
Yuan, Jie [1 ]
Yang, Wen-Cui [1 ]
Zhang, Bao-Sheng [1 ]
Yu, Ji-Shou [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150006, Peoples R China
来源：
ULTRA-HIGH-PUMPABILITY AND HIGH PERFORMANCE CONCRETE TECHNOLOGY | 2009年 / 405-406卷
关键词：
permeability; evaluating method; high hydraulic method; chloride ion diffusion coefficient;
D O I：
10.4028/www.scientific.net/KEM.405-406.303
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Permeation length, permeation coefficient of water permeated into concrete and chloride ion diffusion coefficient of C30, C45 and C60 concrete were studied by high hydraulic method (0.5MPa similar to 25MPa) and quick method of testing chloride ion diffusion respectively, and relationship of concrete permeability tested by two methods was analyzed too. High hydraulic method can distinguish permeability of concrete with different strength or air content and it is a quick and effective method to fast test and evaluating permeability of concrete. The results showed that high hydraulic method is applicable for evaluating permeability of concrete, with advantages of short testing period, easy operating and simple pretreatment of concrete specimens. Permeation coefficient or permeation length of water permeated into concrete exhibited linear relationship with chloride ion diffusion coefficient of concrete. It is applicable for evaluating permeability of concrete using quick method of testing chloride ion diffusion.
引用
收藏
页码：303 / 308
页数：6
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