Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
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Predicting Concrete Deterioration due to Chloride Corrosion of Reinforcing Bars
Takahiko SASAKITohru IIJIMAKatsuya KOBAYASHI
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2004 Volume 45 Issue 4 Pages 216-221

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Abstract

As chloride ions that have been introduced into the concrete from outside by diffusion cause deterioration due to reinforcing bar corrosion, experimental studies were conducted into the critical chloride ion concentration and corrosion weight loss of reinforcing bars. As a result, within the limits of these experiments, it was verified that the critical chloride ion concentration was 1.5 kg/m3 at the depth of the reinforcing bar and that concrete started to crack at a corrosion weight loss of 170 mg/cm2 per unit corrosion area of the reinforcing bar surface.

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© 2004 by Railway Technical Research Institute
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