The performance of concrete exposed to marine environments: predictive modelling and use of laboratory/on site test methods

S.V. Nanukuttan, P. A. M. Basheer, W.J. McCarter, L. Tang, N. Holmes, T.M. Chrisp, G. Starrs, B. Magee

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)
    491 Downloads (Pure)

    Abstract

    This paper reports an approach by which laboratory based testing and numerical modelling can be combined to predict the long term performance of a range of concretes exposed to marine environments. Firstly, a critical review of the test methods for assessing the chloride penetration resistance of concrete is given. The repeatability of the different test results is also included. In addition to the test methods, a numerical simulation model is used to explore the test data further to obtain long-term chloride ingress trends. The combined use of testing and modelling is validated with the help of long-term chloride ingress data from a North Sea exposure site. In summary, the paper outlines a methodology for determining the long term performance of concrete in marine environments.
    Original languageEnglish
    Pages (from-to)831-840
    Number of pages10
    JournalConstruction and Building Materials
    Volume93
    Early online date18 May 2015
    DOIs
    Publication statusPublished - 15 Sep 2015

    Bibliographical note

    Data can be made available on request. Contact s.nanukuttan@qub.ac.uk

    Keywords

    • Chloride ingress
    • chloride diffusivity
    • electrical resistivity
    • concrete testing
    • chloride modelling
    • Permit Ion Migration Test
    • Charge passed
    • Performance Testing
    • performance-based specification

    ASJC Scopus subject areas

    • Civil and Structural Engineering
    • Building and Construction

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