Modelling reinforcement corrosion in concrete

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    Abstract

    A physio-chemical model for the simulation of reinforcement corrosion in concrete struc-tures was developed. The model allows for simulation of initiation and subsequent propaga-tion of reinforcement corrosion. Corrosion is assumed to be initiated once a defined critical chloride threshold is reached causing the formation of anodic and cathodic regions along the reinforcement. Critical chloride thresholds, randomly distributed along the reinforcement sur-face, link the initiation and propagation phase of reinforcement corrosion.
    To demonstrate the potential use of the developed model, a numerical example is pre-sented, that illustrates the formation of corrosion cells as well as propagation of corrosion in a reinforced concrete structure.
    Original languageEnglish
    Title of host publicationProceedings of MicroDurability - The 2nd International Conference
    Publication date2012
    Publication statusPublished - 2012
    Event2nd International Conference on Microstructure Related Durability of Cementitious Composites - Amsterdam , Netherlands
    Duration: 11 Apr 201213 Apr 2012

    Conference

    Conference2nd International Conference on Microstructure Related Durability of Cementitious Composites
    Country/TerritoryNetherlands
    CityAmsterdam
    Period11/04/201213/04/2012

    Keywords

    • Corrosion
    • Concrete
    • Numerical simulation

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