Advertisement

Materials and Structures

, Volume 34, Issue 7, pp 433–437 | Cite as

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

  • J. -S. Ryu
Technical Reports

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.

Keywords

Crack Closure Concrete Specimen Concrete Surface Electrodeposition Method Carbonation Depth 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. [1]
    Sasaki, H. and Yokoda, M., ‘Repair method of marine reinforced concrete by electrodeposition technique’, Proceedings of Annual Conference of JCI, Japan, 1992, 849–854.Google Scholar
  2. [2]
    Yokoda, M. and Fukute, T., “Rehabilitation and protection of marine concrete structure using electrodeposition method’, Proceedings of the International RILEM/CSIRO/ACRA Conference on Rehabilitation of Concrete Structures, RILEM, Melbourne, 1992, 213–222.Google Scholar
  3. [3]
    JIS G 3350, ‘Standard Test Method for Drying Shrinkage Crack in Concrete’, 1985.Google Scholar
  4. [4]
    Otsuki, N., Hisada, M. and Ryu, J. S., ‘Study on crack closing and surface improvement of concrete by electrodeposition method’,Journal of Japanese Society of Civil Engineers 42 (5) (1999) 201–210.Google Scholar
  5. [5]
    Otsuki, N. and Hisada, M., ‘Feasibility study on electrodeposition of crack of reinforced concrete’, Proceedings of Annual Conference of JACE, Japan, 1997, 332–333.Google Scholar
  6. [6]
    Ryu, J. S. and Otsuki, N., ‘Application of electrodeposition technique for concrete rehabilitation’, Proceedings of the 5th CAN-MET/ACI International Conference on Durability of Concrete, Barcelona, Spain, SP-192-56, 2000, 917–930.Google Scholar
  7. [7]
    IS Handbook 24-1, ‘Architecture/Material Part’, 1995.Google Scholar

Copyright information

© RILEM 2001

Authors and Affiliations

  • J. -S. Ryu
    • 1
  1. 1.Department of Civil and Environmental EngineeringUniversity of CaliforniaBerkeleyUSA

Personalised recommendations