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    Properties of concrete incorporating different nano silica particles

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    alhawat_et_al_2019.pdf (1.572Mb)
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    Publication date
    2020
    End of Embargo
    2020-05-15
    Author
    Alhawat, Musab M.
    Ashour, Ashraf F.
    El-Khoja, Amal
    Keyword
    Nano silica
    Specific surface area
    Particle size
    Compressive strength
    Optimum ratio
    Microstructure
    Rights
    © 2020 Taylor & Francis. This is an Author's Original Manuscript of an article published by Taylor & Francis in Materials Research Innovations in 24(3): 133-144, available online at https://doi.org/10.1080/14328917.2019.1616140.
    Peer-Reviewed
    Yes
    
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    Abstract
    This paper aims to evaluate the influence of surface area and amount of nano silica (NS) on the performance of concrete with different water/binder (w/b) ratios. For this purpose, 63 different mixes were produced using three NS having three differentsurface areas (52, 250 and 500 m2/g) and w/b ratios (0.4, 0.5 and 0.6). Compressive strengths , workability, water absorption and the microstrcture of concrete mixtures were measured and analysed. and the optimum ratio for each type was determined. The results indicated that the performance of NS particles in concrete is significantly dependent on its amount and surface area as well as w/b ratio. As the w/b ratio increased, a better performance was observed for all types of NS used, whilst NS having 250m2/g surface area was found to be the most effective. The optimum amount of NS ranged from 2 to 5%, depending on NS surface area.
    URI
    http://hdl.handle.net/10454/17071
    Version
    Accepted manuscript
    Citation
    Alhawat MM, Ashour AF and El-Khoja A (2020) Properties of concrete incorporating different nano silica particles. Materials Research Innovations. 24(3): 133-144.
    Link to publisher’s version
    https://doi.org/10.1080/14328917.2019.1616140
    Type
    Article
    Notes
    The full-text of this article will be released for public view at the end of the publisher embargo on 15 May 2020.
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