Sensor systems for use in reinforced concrete structures

W. John McCarter, Øystein Vennesland

    Research output: Contribution to journalLiterature reviewpeer-review

    137 Citations (Scopus)


    Whole-life costing and residual service-life prediction of structures require quantitative information on cover-zone properties and threshold values for corrosion initiation and, once initiated, the rate of corrosion. It is clear that there exists a need to determine those near-surface characteristics of concrete, which promote the ingress of gases and liquids containing dissolved contaminants. In addition, in-situ monitoring of the seasonal change in such properties could assist in making realistic predictions as to the in-service performance of the structure, likely deterioration rates for a particular exposure condition, or compliance with the specified design life. To this end, this paper presents a review of sensors and associated monitoring systems from which information concerning corrosion activity, concrete (electrical) resistivity, oxygen availability, carbonation and chloride ingress can be obtained at strategic locations within a structure. This paper is based upon a draft of a RILEM Technical Recommendation 'Measurements with embedded sensors' prepared for RILEM Technical Committee TC-154 'Electrochemical methods for measuring metallic corrosion in concrete'. The work also formed part of the European research programme COST 521 - 'The Corrosion of Steel in Reinforced Concrete Structures'. © 2004 Elsevier Ltd. All rights reserved.

    Original languageEnglish
    Pages (from-to)351-358
    Number of pages8
    JournalConstruction and Building Materials
    Issue number6
    Publication statusPublished - Jul 2004


    • Concrete structures
    • Cover-zone
    • Durability
    • Electrical methods
    • Monitoring
    • Reinforcement corrosion
    • Sensors


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