Sustainability assessment of concrete structure durability under reinforcement corrosion

Anna Emilie A. Thybo, Alexander Michel, Henrik Stang

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    Abstract

    In the present paper a parametric study is conducted based on an existing finite element based model. The influence of cover layer, reinforcement diameter and water-to-cement ratio is compared to a possible scatter in the results due to insufficient knowledge about the distribution of the corrosion current density along the circumference of the reinforcement. Simulations show that the scatter has a greater influence on the results than changing the parameters wherefore it is concluded that further investigation of the non-uniform deposition of corrosion products is essential to better understand and predict the durability of a given structure.
    Original languageEnglish
    Publication date2013
    Number of pages8
    Publication statusPublished - 2013
    EventFirst International Conference on Concrete Sustainability - Tokyo, Japan
    Duration: 27 May 201329 May 2013
    Conference number: 1
    http://www.jci-iccs13.jp/

    Conference

    ConferenceFirst International Conference on Concrete Sustainability
    Number1
    Country/TerritoryJapan
    CityTokyo
    Period27/05/201329/05/2013
    Internet address

    Keywords

    • Non-uniform corrosion
    • Reinforced concrete
    • Concrete cover cracking
    • Numerical modeling
    • Parameter study
    • Finite element method

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