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    Influence of high-temperature and low-humidity curing on chloride penetration in blended cement concrete

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    Authors
    Khatib, Jamal M.
    Mangat, P.S.
    Issue Date
    2002
    
    Metadata
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    Abstract
    The influence of high-temperature and low-humidity curing on chloride penetration in concrete containing cement replacement materials was investigated. Three different mixes were studied: a control mix in which no cement replacement materials were added and two mixes where cement was partially replaced by 20% fly ash and 9% silica fume (by weight), respectively, at a constant water-to-binder ratio of 0.45. High-temperature curing was employed to simulate concrete temperature in hot climate. The results show that at early periods of exposure, initial curing has a substantial influence on chloride penetration in concrete. The effect of initial curing is much reduced after a long period of exposure. The chloride penetration at early ages of exposure is directly related to the porosity of the binder phase and the absorption of concrete. Higher chloride penetration resistance was observed when cement is partially replaced with either fly ash or silica fume.
    Citation
    Cement and Concrete Research, 32(11): 1743-1753
    Publisher
    Elsevier
    URI
    http://hdl.handle.net/2436/15902
    DOI
    10.1016/S0008-8846(02)00857-8
    Additional Links
    http://www.ingentaconnect.com/content/els/00088846/2002/00000032/00000011/art00857
    Type
    Journal article
    Language
    en
    Description
    Metadata only
    ISSN
    00088846
    ae974a485f413a2113503eed53cd6c53
    10.1016/S0008-8846(02)00857-8
    Scopus Count
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    Faculty of Science and Engineering

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