Assessment of corrosion of reinforcement in concrete

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Journal titleCanadian Civil Engineer
IssueSpring 2
Pages2021; # of pages: 2
SubjectCorrosion (of reinforced concrete)
AbstractDurability problems arising from the corrosion of reinforcement in concrete are common, mostly due to attack by chloride ions or carbonation of the concrete by atmospheric carbon dioxide. The first is more serious in North America since the climate demands extensive use of deicing salts on highways and bridges. Chloride ions from deicing salts break down the protective layer on reinforcing steel leading to various forms of corrosion-induced damage such as cracking and spalling. A significant percentage of highway bridges is suffering from serious premature decay. In extreme circumstances, catastrophic collapse of bridges has occurred. A reliable corrosion assessment of concrete bridges is therefore essential. This article briefly describes shortcomings of commonly used assessment methods, discusses the effect of oxygen and introduces an approach to reach a reliable corrosion assessment.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number44684
NPARC number20386510
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Record identifieredb00c97-7959-494a-889e-d00dea4dc206
Record created2012-07-25
Record modified2016-05-09
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