A review on the effects of cracking and crack width on corrosion of reinforcement in concrete

It is widely known that corrosion is one of the main problems that reinforced concrete structures may endure during their life‐cycle. This problem is usually tackled in a prescriptive manner, by limiting the crack width allowed to occur during structures' service life. In an attempt to better u...

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Bibliographic Details
Published in:Structural concrete : journal of the FIB 2023-12, Vol.24 (6), p.7272-7294
Main Authors: Kanavaris, Fragkoulis, Coelho, Mário, Ferreira, Nuno, Azenha, Miguel, Andrade, Carmen
Format: Article
Language:English
Subjects:
Carbonation
chlorides
concrete cracking
Concrete structures
Corrosion effects
Corrosion mechanisms
crack width
Decision analysis
Literature reviews
Reinforced concrete
reinforcement corrosion
Service life
Stress corrosion cracking
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Summary:It is widely known that corrosion is one of the main problems that reinforced concrete structures may endure during their life‐cycle. This problem is usually tackled in a prescriptive manner, by limiting the crack width allowed to occur during structures' service life. In an attempt to better understand the effect that cracking and crack width can have on the corrosion process, as well as systematize the existing work in the field, this paper presents a summary of an in‐depth literature review on the topic of reinforcement corrosion in concrete. The main focus is devoted to chloride‐induced corrosion since that is the most widely studied corrosion mechanism, even though carbonation‐induced corrosion is also relatively briefly discussed. The paper also presents an overview of the existing guidelines that have been used in the past to analyze and support decision‐making regarding corrosion in reinforced concrete structures.
ISSN:1464-4177
1751-7648
DOI:10.1002/suco.202300227