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Long term assessment of a hybrid electrochemical treatment

journal contribution
posted on 14.10.2011, 12:54 by S.P. Holmes, Geoffrey Wilcox, Peter Robins, Gareth K. Glass, A.C. Roberts
Monitoring the performance of systems installed to protect against/halt the corrosion of reinforcing steel in concrete is essential in ensuring that the reinforcing bar (rebar) is adequately protected and remains in a non-corroding state. A chloride contaminated concrete test block containing a hybrid anode system has been periodically monitored over the past 4.5 years to assess the anode current output and thus, the protection offered to the steel. De-polarisation and impedance analysis data have been acquired to calculate steel corrosion rates. Both tests indicated that the steel was passive in the concrete environment and that the anode was able to protect all of the embedded steel despite the difficult geometry of the sample. It was also found that after 2 years it was still possible to drive a high current from the installed anode

History

School

  • Architecture, Building and Civil Engineering

Citation

HOLMES, S.P. ... et al, 2013. Long term assessment of a hybrid electrochemical treatment. Materials and Corrosion, 64 (1), pp. 43 - 49.

Publisher

© WILEY-VCH Verlag GmbH & Co.

Version

AM (Accepted Manuscript)

Publication date

2013

Notes

This article is closed access, it was published in the journal, Materials and Corrosion [© WILEY-VCH Verlag GmbH & Co.]. The definitive version is available at: http://onlinelibrary.wiley.com/doi/10.1002/maco.201106118/abstract

ISSN

0947-5117

Language

en