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    Influence of micro-cracking on capillary water absorption of an UHPFRC

    TitleInfluence of micro-cracking on capillary water absorption of an UHPFRC
    Publication TypeCommunications in International Conferences
    Year of Publication2018
    AuthorsMatos A. M., Nunes S., and Aguiar, J. B.
    Abstract

    The aim of this research was to investigate the influence of cracking on water transport by capillary suction in UHPFRC. Specimens were firstly pre-loaded under four-point bending up to a wide range of pre-defined crack open displacement. Crack pattern created was characterized (width, number of cracks) before capillarity testing. Test results showed that micro cracks induced by previous loading significantly increased the sorptivity comparing with non-cracked specimens. However, increasing the damage (COD of 200 up to 400 μm), did not significantly compromise the absorption capillary suction of UHPFRC, as compared to good quality conventional concrete or engineered cementitious composites (ECC).

    Conference NameInternational Conference on Interdisciplinary Approaches for Cement-based Materials and Structural Concrete (SynerCrete’18)
    Pagination963-968
    Date Published2018-10-24
    PublisherRILEM Publications S.A.R.L.
    Conference LocationFunchal, Portugal
    ISBN978-2-35158-202-2
    DOIDOI: 10.5281/zenodo.1405563
    URLhttps://synercrete.com/
    KeywordsCapillary suction, Cracking, UHPFRC.
    RightsembargoedAccess (2 Years)
    Peer reviewedyes
    Statuspublished
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    About CTAC

    The Centre for Territory, Environment and Construction (CTAC) is a research unit of the School of Engineering of University of Minho (UMinho), recognised by the “FCT – Fundação para a Ciência e Tecnologia” (Foundation for Science and Technology), associated to the Department of Civil Engineering (DEC), with whom it shares resources and namely human resources.

    Currently CTAC aggregates 37 researchers holding a PhD of which 27 are faculty professors of the Civil Engineering Department. Read more


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