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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/10924

Title: Protecting the UK’s critical infrastructure – impressed current cathodic protection on the midland links motorways network
Authors: Christodoulou, Christian
Goodier, Chris I.
Austin, Simon A.
Webb, John
Glass, Gareth K.
Issue Date: 2012
Publisher: Proceedings © The Society of Chemical Industry; Papers © the authors
Citation: CHRISTODOULOU, C. ... et al., 2012. Protecting the UK’s critical infrastructure – impressed current cathodic protection on the midland links motorways network. IN: Tyrer, M. (ed). Young Researchers’ Forum in Construction Materials Proceedings, 17 May 2012, London, UK, 4pp.
Abstract: The Midland Links Motorway Viaducts (MLMV) are located around the UK’s second largest city - Birmingham - and comprise 21 kilometres of elevated bridge motorway structures. Impressed Current Cathodic Protection (ICCP) has been used to prolong the life of more than 700 concrete structures in the MLMV, in a significantly sustainable manner, by reducing the need to remove chloride contaminated (but otherwise structurally sound) concrete. The present study was initiated after identifying that some of the ICCP systems were reaching the end of their design life, whilst others had deteriorated or been vandalised, therefore requiring a significant level of maintenance, and cost. The objective of this work was to collate evidence from field structures to support preliminary laboratory results that the application of ICCP to a reinforced concrete structure over a period of time can transform the protective environment around the reinforcement. The results can indicate when repairs to ICCP systems are likely to be critical; provide new evidence for determining the design life; reduce the requirement to replace systems at the end of their functional life; and the interval between planned maintenance of existing systems may be extended with corresponding reduction in monitoring frequency and costs. The work is unique and novel as it is the only ICCP field trial across Europe on full-scale motorway structures. It also contributes to sustainability as the results form a basis for an improved maintenance strategy.
Description: This paper was presented at the Construction Materials Group Young Researchers' Forum on 17 May 2012. The publisher's website is at: http://www.soci.org/
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/10924
ISBN: 9780901001368
Appears in Collections:Conference Papers (CICE)
Conference Papers (Civil and Building Engineering)

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