Modeling of Corrosion-induced Concrete Damage

Anna Emilie A. Thybo, Alexander Michel, Henrik Stang

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    Abstract

    In the present paper a finite element model is introduced to simulate corrosion-induced damage in concrete. The model takes into account the penetration of corrosion products into the concrete as well as non-uniform formation of corrosion products around the reinforcement. To ac-count for the non-uniform formation of corrosion products at the concrete/reinforcement interface, a deterministic approach is used. The model gives good estimates of both deformations in the con-crete/reinforcement interface and crack width when compared to experimental data. Further, it is shown that non-uniform deposition of corrosion products affects both the time-to cover cracking and the crack width at the concrete surface.
    Original languageEnglish
    Title of host publicationProceedings of the 8th International Conference on Fracture Mechanics of Concrete and Concrete Structures
    Number of pages10
    PublisherInternational Center for Numerical Methods in Engineering
    Publication date2013
    Pages2097-2106
    ISBN (Print)9788494100413
    Publication statusPublished - 2013
    Event8th International Conference on Fracture Mechanics of Concrete and Concrete Structures - Toledo, Spain
    Duration: 10 Mar 201314 Mar 2013
    Conference number: 8
    http://www.framcos8.org/frontal/default.asp

    Conference

    Conference8th International Conference on Fracture Mechanics of Concrete and Concrete Structures
    Number8
    Country/TerritorySpain
    CityToledo
    Period10/03/201314/03/2013
    Internet address

    Keywords

    • Non-uniform corrosion
    • Durability
    • Reinforced concrete
    • Concrete cover cracking

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