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Self-healing capacity of differently cured concretes Fracture characteristic development

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    0579832 - ÚFM 2025 RIV US eng C - Conference Paper (international conference)
    Bílek, V. - Procházka, L. - Khestl, F. - Bujdoš, D. - Seitl, Stanislav
    Self-healing capacity of differently cured concretes Fracture characteristic development.
    AIP Conference Proceedings. Vol. 2848. AIP Publishing, 2023, č. článku 020026. ISBN 978-0-7354-4548-2. ISSN 0094-243X.
    [DM 2022 - International Conference on Fracture and Damage Mechanics /20./. Malaga (ES), 05.09.2023-07.09.2023]
    R&D Projects: GA ČR GA21-08772S
    Institutional support: RVO:68081723
    Keywords : Cement * Crack initiation and detection
    OECD category: Civil engineering

    Concretes were prepared with a maximum aggregate size of 8 mm and water to cement ratio of 0.50, 0.40 and 0.30. Mechanical properties, including fracture properties, were recorded at the age of 28 days of curing in water or without water exchange with the environment (foil enveloped specimens). Some specimens were loaded until initial crack growth, after which the loading was stopped. Subsequently, the specimens were stored in water or in foil until 1 year of age. At this age, the specimens were again loaded and the results obtained were compared with those at 28 days of age. Thanks to this procedure, self-healing of the initiated crack was discussed with respect to microscopic observations.
    Permanent Link: https://hdl.handle.net/11104/0348673

     
     
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