The Accelerated Test of Chloride Permeability of Concrete

被引：1

作者：

谭克锋

ODD E GjФrv

机构：

[1] Southwest University of Science and Technology

[2] Norwegian University of Science and Technology

来源：

Journal of Wuhan University of Technology(Materials Science) | 2003年 / 02期

关键词：

chloride permeability; concrete; silica fume; corrosion;

D O I：

暂无

中图分类号：

TU528 [混凝土及混凝土制品];

学科分类号：

0805 ; 080502 ; 081304 ;

摘要：

The availability of accelerated chloride permeability test and the effect of w/c ratio, incorporation of silica fume, maximum aggregate size and aggregate type on the chloride permeability were studied. The mathematic analysis certifies that there is a linear relationship between accelerated test and natural diffusion. Test results show that the chloride permeability of concrete increases as w/c ratio increases whilst a limited amount of replacement of cement with silica fume, the chloride permeability decreases dramatically. The maximum aggregate size in the range of 8 to 25 mm seems also affect chloride permeability but with a much less significant level. The chloride permeability of silica fume lightweight aggregate concrete is very low, especially the concrete made with dry lightweight concrete. The chloride permeability can be evaluated by this accelerated test method.

引用

页码：57 / 60

页数：4

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