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  • Effects of blended cements and carbonation on chloride-induced corrosion propagation
    Hren, Miha ; Bokan-Bosiljkov, Violeta ; Legat, Andraž
    Supplementary cementitious materials are known to refine the pore structure of concrete and accelerate the carbonation progress. The combination of the two processes can have both beneficial and ... disadvantageous effects on corrosion, especially when chlorides are also involved. In this study the corrosion properties of multiple blended cements were evaluated in carbonated and non%carbonated states, with chlorides introduced through cyclic ponding. The examination involved monitoring the propagation phase, determining the microstructural properties of cements, and assessing the final corrosion damage. The results showed that the steel in the blended cements initially had a relatively high corrosion activity, which later decreased compared to the OPC. This stabilisation was presumably due to the beneficial changes to the pore structure. Carbonation had a significant impact on the corrosion, with carbonated mortars revealing shallower damage over a larger surface area. This effect was more pronounced for blended cements that exhibited greater susceptibility to carbonation.
    Vir: Cement and concrete research. - ISSN 0008-8846 (Letn. 145, 106458, jul. 2021, str. 1-15)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 60814851

vir: Cement and concrete research. - ISSN 0008-8846 (Letn. 145, 106458, jul. 2021, str. 1-15)
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