Durability testing of low clinker blends - chloride ingress in similar strength mortar exposed to seawater

Mette Rica Geiker, Klaartje De Weerdt, Sergio Ferreiro Garzón, Mads Mønster Jensen, Björn Johannesson, Alexander Michel

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    Abstract

    Resistance to chloride ingress of ten different binders was investigated. Most of the binders were prepared with 35% substitution of a new clinker by limestone filler, calcined clay, burnt shale and/or siliceous fly ash. Mortar samples with similar design compressive strength after 90 days were exposed to artificial sea-water for 270 days. The results indicate that the use of alternative binders may lead to up to around 15% reduction in CO2 emission without compromising 90 days compressive strength and resistance to chloride ingress in marine exposure.
    Original languageEnglish
    Title of host publicationProceedings of the XXIII Nordic Concrete Research Symposium
    PublisherNorsk Betongforening
    Publication date2017
    Pages97-100
    ISBN (Print)978-82-8208-056-9
    Publication statusPublished - 2017
    EventXXIII Symposium on Nordic Concrete Research & Development - Aalborg Congress & Culture Center, Aalborg, Denmark
    Duration: 20 Aug 201723 Aug 2017
    Conference number: 23
    https://nordicconcrete.net/events/symposium/

    Conference

    ConferenceXXIII Symposium on Nordic Concrete Research & Development
    Number23
    LocationAalborg Congress & Culture Center
    Country/TerritoryDenmark
    CityAalborg
    Period20/08/201723/08/2017
    Internet address

    Keywords

    • Cement
    • Chlorides
    • Supplementary Cementitious Materials (SCM)

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