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    Properties of concrete incorporating fine recycled aggregate

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    Authors
    Khatib, Jamal M.
    Issue Date
    2005
    
    Metadata
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    Abstract
    The properties of concrete containing fine recycled aggregate are investigated. Recycled aggregate consisted of crushed concrete (CC) or crushed brick (CB) with particles less than 5 mm in diameter. The free water/cement ratio was kept constant for all mixes. The fine aggregate in concrete was replaced with 0%, 25%, 50% and 100% CC or CB. Generally, there is strength reduction of 15–30% for concrete containing CC. However, concrete incorporating up to 50% CB exhibits similar long-term strength to that of the control. Even at 100% replacement of fine aggregate with CB, the reduction in strength is only 10%. Beyond 28 days of curing, the rate of strength development in concrete containing either CC or CB is higher than that of the control indicating further cementing action in the presence of fine recycled aggregate. More shrinkage and expansion occur in concrete containing CC or CB.
    Citation
    Cement and Concrete Research, 35(4): 763-769
    Publisher
    Elsevier
    URI
    http://hdl.handle.net/2436/15904
    DOI
    10.1016/j.cemconres.2004.06.017
    Additional Links
    http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TWG-4F01171-1&_user=1644469&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000054077&_version=1&_urlVersion=0&_userid=1644469&md5=7e7b64396d45cb3cef6faf65a285b9c5
    Type
    Journal article
    Language
    en
    Description
    Metadata only
    ISSN
    00088846
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.cemconres.2004.06.017
    Scopus Count
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    Faculty of Science and Engineering

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