Study of chloride diffusion as a corrosive agent in reinforced concrete for a tropical marine environment

被引：0
|
作者：
Castro, P. [1 ]
Maldonado, L. [1 ]
De Coss, R. [1 ]
机构：
[1] Centro de Investigaciones y de, Estudios Avanzados del IPN U, Merida, Mexico
来源：
Corrosion Science | 1993年 / 35卷 / 5 -8 pt 2期
关键词：
Cements - Diffusion - Ions - Reinforced concrete - Sodium chloride;
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中图分类号：
学科分类号：
摘要：
Diffusion of chloride ion through 7.5 cm × 15.0 cm concrete cylinders was studied.The cylinders were immersed for 30 days in a tank containing distilled water and a sodium chloride solution. Five water/cement (w/c) ratios and three curing times (tc) were tested. It is suggested that coarse aggregate is a barrier which blocks chloride ion diffusion. A model considering a homogenous and porous concrete was used to describe the influence of high w/c ratios and tc. A dependence between tC and the chloride concentration at the concrete surface (C0) for high w/c ratios was found. Dispersion in the results was minimized by using a large number of specimens.
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页码：1557 / 1562
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