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    Effect of curing conditions on compressive strength behavior on alkali-activated ceramic wastes

    TitleEffect of curing conditions on compressive strength behavior on alkali-activated ceramic wastes
    Publication TypePapers in International Journals
    Year of Publication2021
    AuthorsGaibor N. Y., Leitão, D., Miranda T., Cunha V. M. C. F., and Cristelo N.
    Abstract

    The industrial sector is responsible for the generation of a large amount of solid waste, of which some is partially recycled, but the majority is deposited in landfills or landfills causing various negative impacts on the environment. Alkaline cements are attracting growing interest for their potential to allow the industry to operate within the constraints imposed on CO2 emissions. The objective of this research was to know the effect of different curing conditions on the compressive strength behavior of alkaline activated ceramic residues. As a result, it was determined that an alkali-activated matrix is significantly influenced when cured at a temperature of 70 ° C, reaching, at 90 days of age, a compressive strength of up to 39.3 MPa in contrast to 27.08 MPa. when curing was carried out in environmental conditions of 20 ° C (± 0.5 ° C) and 60% (± 5%) of relative humidity (RH). This work was complemented with a microstructural analysis that included Scanning Electron Microscopy (SEM) and X-ray Energy Dispersion Analyzer (EDX).

    JournalPolo del Conocimiento
    VolumeVol. 6, n.º3
    Edition56
    Pagination977-990
    Date Published2021-03-15
    PublisherCasa Editora del Polo (CASEDELPO)
    ISSN2550-682X
    DOI10.23857/pc.v6i3.2416
    URLhttps://polodelconocimiento.com/ojs/index.php/es/article/view/2416
    KeywordsAlkali activation, Ceramic waste, Compressive strength
    RightsopenAccess
    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 25 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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