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- Title
APPLICATION OF DESALINATION WITH CFRP COMPOSITE ELECTRODE TO CONCRETE DETERIORATED BY CHLORIDE ATTACK.
- Authors
YAMAGUCHI, KEISUKE; UEDA, TAKAO; NANASAWA, AKIRA
- Abstract
As a new rehabilitation technique for recovery both of loading ability and durability of concrete structures deteriorated by chloride attack, desalination (electrochemical chloride removal technique from concrete) using CFRP composite electrode bonding to concrete has been developed. In this study, basic application was tried using small RC specimens, and also application to the large-scale RC beams deteriorated by the chloride attack through the long-term exposure in the outdoors was investigated. As the result of bending test of treated specimens, the decrease of strengthening effect with the electrochemical treatment was observed in the case of small specimens using low absorption rate resin for bonding, on the other hand, in the case of large-scale RC beam using 20% absorption rate resin for bonding CFRP composite electrode, enough strengthening effect was obtained by the bending failure of RC beam with the fracture of CFRP board.
- Subjects
ELECTROCHEMICAL chloride extraction from reinforced concrete; CORROSION &; anti-corrosives; CONCRETE products; GUMS &; resins; ELECTROLYTIC corrosion; BENDING stresses
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2006, Vol 20, Issue 25-27, p3704
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979206040234