Coupled hygrothermal, electrochemical, and mechanical modelling for deterioration prediction in reinforced cementitious materials

Alexander Michel, Mette Rica Geiker, M. Lepech, Henrik Stang

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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    Abstract

    In this paper a coupled hygrothermal, electrochemical, and mechanical modelling approach for the deterioration prediction in cementitious materials is briefly outlined. Deterioration prediction is thereby based on coupled modelling of (i) chemical processes including among others transport of heat and matter as well as phase assemblage on the nano and micro scale, (ii) corrosion of steel including electrochemical processes at the reinforcement surface, and (iii) material performance including corrosion- and load-induced damages on the meso and macro scale. The individual FEM models are fully coupled, i.e. information, such as such as corrosion current density, damage state of concrete cover, etc., are constantly exchanged between the models.
    Original languageEnglish
    Title of host publicationCoupled Problems in Science and Engineering VII : Proceedings of the VII International Conference on Coupled Problems in Science and Engineering Rhodes Islad, Greece
    EditorsM. Papadrakakis, E. Oñate, B. Schrefler
    PublisherInternational Center for Numerical Methods in Engineering
    Publication date2017
    Pages345-356
    ISBN (Electronic)978-84-943928-3
    Publication statusPublished - 2017
    Event7th International Conference on Computational Methods for Coupled Problems in Science and Engineering - Rodos Palace International Convention Center, Rhodes Island, Greece
    Duration: 12 Jun 201714 Jun 2017
    Conference number: 7

    Conference

    Conference7th International Conference on Computational Methods for Coupled Problems in Science and Engineering
    Number7
    LocationRodos Palace International Convention Center
    Country/TerritoryGreece
    CityRhodes Island
    Period12/06/201714/06/2017

    Keywords

    • Coupled problems
    • Multiphysics problems
    • Multiscale problems
    • Corrosion
    • Concrete

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