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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/15296

Title: Performance evaluation of galvanic anodes through laboratory testing and on-site monitoring
Authors: Dodds, Wayne J.
Christodoulou, Christian
Goodier, Chris I.
Austin, Simon A.
Keywords: Corrosion
Galvanic anodes
Potential mapping
Issue Date: 2014
Publisher: RILEM Publications S.A.R.L.
Citation: DODDS, W. ... et al, 2014. Performance evaluation of galvanic anodes through laboratory testing and on-site monitoring. IN: Bjegovic, D., Beushausen, H., Serdar, M. (eds). Proceedings of the RILEM International Workshop on Performance-Based Specification and Control of Concrete Durability, Zagreb, Croatia, 11th - 13th June 2014, pp.175-182.
Abstract: This study examines the effectiveness of galvanic anodes installed both within the patch repair and surrounding parent concrete through laboratory testing and on-site monitoring. Sodium chloride was added during casting of the laboratory concrete specimens to induce corrosion. The anodes were tested using surface potential mapping at 7 days, 8 months and also 26 months after repair. Site monitoring of galvanic anodes was performed over a period of 215 days. The results showed that galvanic anodes installed in the parent concrete had a greater polarisation effect on the surrounding steel, which is generally considered to be at highest risk, as compared to galvanic anodes installed within the patch repair itself. This was in-line with data obtained from similar installations in full-scale reinforced concrete structures. It was also noted that, with increasing chloride content, the polarisation extent was reduced.
Description: This is a conference paper.
Version: Publisher version
URI: https://dspace.lboro.ac.uk/2134/15296
Publisher Link: http://www.grad.unizg.hr/rilem_psc
ISBN: 9782351581353
Appears in Collections:Conference Papers and Presentations (Architecture, Building and Civil Engineering)

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