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  • Innovative calcium carbonate-based products to repair cracked cement mortars [Elektronski vir]
    Zuena, Martina ...
    The durability of Portland cement mortars is often affected by environmental factors, which can cause physicochemical and mechanical degradation processes. In this study, the performance of three ... products, calcium acetoacetate and calcium tetrahydrofurfuryloxide dissolved in two different solvents developed and tested as stone consolidants, was evaluated in terms of crack filling or sealing and consolidation. Realistic cracks were induced in quasibrittle cement mortar prisms using a custom-designed test rig. The effectiveness and the performance of the considered treatments, investigated on specimens, were evaluated by optical and scanning electron microscopy, colourimetry, water absorption rate, ultrasonic pulse velocity, and surface hardness measurements. Results revealed that, in the examined conditions, the products were more suitable as surface consolidants than as crack fillers.
    Source: Materials [Elektronski vir]. - ISSN 1996-1944 (Vol. 15, iss. 12, 2022, str. 1-14)
    Type of material - e-article ; adult, serious
    Publish date - 2022
    Language - english
    COBISS.SI-ID - 110842115

    Link(s):

    https://www.mdpi.com/1996-1944/15/12/4044/pdf
    DiRROS - Digital repository of Slovenian research organizations
    DOI

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