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    The influence of fine aggregate combinations on particle size distribution, grading parameters, and compressive strength of sandcrete blocks

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    Omoregie_2006_THE INFLUENCE OF ...
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    Authors
    Omoregie, Alohan
    Alutu, Okey Edwin
    Affiliation
    University of Benin
    Issue Date
    2006-10
    
    Metadata
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    Abstract
    The current extensive use of low priced fine aggregate (sand) deposits in sandcrete block making in Nigeria is of concern because there appears to be a level of ignorance surrounding their existing properties and implications. To this end, silt contents and some grading parameters of the most commonly used fine aggregate deposits in parts of midwestern Nigeria (Benin City), the coefficient of uniformity (Cu), curvature coefficient (Cc), and the fineness modulus (Fm) were derived by laboratory experiments to ascertain these basic properties. In addition, the strength and durability properties of sandcrete blocks made from these sands were also established. It revealed that the low priced sands exhibited worse properties in comparison to the more expensive sand. As a way of improving the properties of these frequently used low priced sands, a combination approach was adopted that used the weaker and commonly used sands with those that are more expensive and less frequently used. Findings revealed that combining the two created significant improvement in compressive strength, durability, and grading parameters of low priced sands with only marginal impact on cost.Key words: fine aggregates, uniformity coefficient, curvature coefficient, fineness modulus, compressive strength, durability, silt contents, Nigeria.
    Citation
    Omeregie, A. and Alutu, O. E. (2006) 'The influence of fine aggregate combinations on particle size distribution, grading parameters, and compressive strength of sandcrete blocks', Canadian Journal of Civil Engineering, 33 (10):1271
    Publisher
    Canadian Science Publishing
    Journal
    Canadian Journal of Civil Engineering
    URI
    http://hdl.handle.net/10545/621447
    DOI
    10.1139/l06-059
    Additional Links
    http://www.nrcresearchpress.com/doi/abs/10.1139/l06-059
    Type
    Article
    Language
    en
    ISSN
    03151468
    EISSN
    12086029
    ae974a485f413a2113503eed53cd6c53
    10.1139/l06-059
    Scopus Count
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    Department of Mechanical Engineering & the Built Environment

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