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An experimental study on the repair of concrete crack by electrochemical technique

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Abstract

In this paper, the electrodeposition method for repair of reinforced concrete with cracks, based on the electrochemical technique, is presented. The aim of electrodeposition in a concrete repair method is to fill the cracks in concrete and to coat the concrete surface by electrodeposits of chemical compounds. Investigations on concrete specimens with drying-shrinkage cracks were conducted in this study. The results indicate that electrodeposits formed on the concrete surface are able to close concrete cracks and to coat the concrete surface. In addition, the investigations show that the presence of electrodeposits led to improvement of the concrete watertightness and protection against detrimental materials.

Résumé

Cet article présente la technique d'électrodéposition pour réparer les structures fissurées en béton armé. Le principe de la réparation consiste à boucher les fissures et enduire la surface du béton avec un dépôt chimique par électrodéposition. Les essais présentés ont été menés sur des échantillons de béton fissurés par retrait de séchage. Les surfaces des échantillons ont été recouvertes par électrodéposition. Les tests montrent que la présence de la couche électrodéposée améliore l'imperméabilité du béton et le protège des agents agressifs.

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References

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Authors and Affiliations

  1. Department of Civil and Environmental Engineering, University of California, 721 Davis Hall, 94720, Berkeley, CA, USA

    J. -S. Ryu

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  1. J. -S. Ryu
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Ryu, J.S. An experimental study on the repair of concrete crack by electrochemical technique. Mat. Struct. 34, 433–437 (2001). https://doi.org/10.1007/BF02482290

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  • DOI: https://doi.org/10.1007/BF02482290

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