Experimental investigation of the relation between damage at the concrete-steel interface and initiation of reinforcement corrosion in plain and fibre reinforced concrete

Alexander Michel, Anders Ole Stubbe Solgaard, Bradley Justin Pease, Mette Rica Geiker, Henrik Stang, John Forbes Olesen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Cracks in covering concrete are known to hasten initiation of steel corrosion in reinforced concrete structures. To minimise the impact of cracks on the deterioration of reinforced concrete structures, current approaches in (inter)national design codes often limit the concrete surface crack width. Recent investigations however, indicate that the concrete-reinforcement interfacial condition is a more fundamental criterion related to reinforcement corrosion. This work investigates the relation between macroscopic damage at the concrete-steel interface and corrosion initiation of reinforcement embedded in plain and fibre reinforced concrete. Comparisons of experimental and numerical results indicate a strong correlation between corrosion initiation and interfacial condition.
    Original languageEnglish
    JournalCorrosion Science
    Volume77
    Pages (from-to)308-321
    ISSN0010-938X
    DOIs
    Publication statusPublished - 2013

    Keywords

    • A. Steel reinforced concrete
    • C. Atmospheric corrosion

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