Influence of Mix Design on Chloride Diffusion in Concrete Structures under Temperature Gradient Conditions

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    Abstract

    This paper presents the influence of mix design on chloride penetration in concrete exposed to the temperature gradient condition caused by high environmental temperature in arid climate region. Concrete samples with two different w/c ratios of 0.45 and 0.65 were exposed to chloride ion environment under isothermal and temperature gradient conditions. Another set of the concrete samples with 5 % silica fume and a control sample without silica fume were exposed to chloride ion environment under the temperature gradient condition. Results show that the chloride content of the concrete samples was significantly increased with increasing the w/c ratio. The large amount of the reduction in chloride concentration with 5 % silica fume was observed compared with the control sample.

    Original languageBritish English
    Title of host publication9th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2024
    EditorsHany El Naggar, Joaquim Barros, Paulo Cachim
    DOIs
    StatePublished - 2024
    Event9th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2024 - London, United Kingdom
    Duration: 14 Apr 202416 Apr 2024

    Publication series

    NameWorld Congress on Civil, Structural, and Environmental Engineering
    ISSN (Electronic)2371-5294

    Conference

    Conference9th World Congress on Civil, Structural, and Environmental Engineering, CSEE 2024
    Country/TerritoryUnited Kingdom
    CityLondon
    Period14/04/2416/04/24

    Keywords

    • Arid climate
    • Chloride penetration
    • High ambient temperature
    • Silica fume
    • Thermal diffusion
    • Water-to-cement ratio

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