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    Experimental and numerical studies of the shear resistance capacities of interlocking blocks

    88915.pdf (1.539Mb)
    Access Status
    Open access
    Authors
    Shi, Tingwei
    Zhang, Xihong
    Hao, Hong
    Xie, Guanyu
    Date
    2021
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Shi, T. and Zhang, X. and Hao, H. and Xie, G. 2021. Experimental and numerical studies of the shear resistance capacities of interlocking blocks. Journal of Building Engineering. 44: ARTN 103230.
    Source Title
    Journal of Building Engineering
    DOI
    10.1016/j.jobe.2021.103230
    ISSN
    2352-7102
    Faculty
    Faculty of Science and Engineering
    School
    School of Civil and Mechanical Engineering
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/LP170100846
    URI
    http://hdl.handle.net/20.500.11937/89091
    Collection
    • Curtin Research Publications
    Abstract

    Interlocking bricks could improve construction efficiency, reduce labour cost, and provide better mechanical performance for masonry structures. Nevertheless, the shear properties of mortar-less interlocking bricks have not been systematically investigated which may impede their wide applications. In this study, the shear performance of a new type of interlocking brick is investigated in detail. Laboratory shear test is firstly conducted to study the damage and shear capacity of mortar-less (dry-stacked) interlocking bricks. Numerical model is then generated with consideration of contact imperfection and validated with test results. Intensive parametric studies are conducted to quantify the influences of material strength, axial pre-compression force, friction coefficients, and contact imperfection at brick interfaces on the shear response of interlocking prisms. The accuracy of existing methods for predicting the shear capacities of shear key by design standard and empirical formula are evaluated. Based on the numerical and laboratory results, an empirical design formula is proposed to predict the shear capacity of the interlocking brick.

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