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    Tests of demountable reinforced concrete slabs

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    Publication date
    2022-12
    End of Embargo
    2023-11-09
    Author
    Almahmood, Hanady A.A.
    Ashour, Ashraf F.
    Figueira, Diogo
    Yildirim, Gurkan
    Aldemir, A.
    Sahmaran, M.
    Keyword
    Demountable structures
    Dry connections
    Slabs
    Reinforced concrete
    Rights
    © 2022 Institution of Structural Engineers. Published by Elsevier Ltd. All rights reserved.© 2022 Elsevier. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
    Peer-Reviewed
    Yes
    Open Access status
    embargoedAccess
    
    Metadata
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    Abstract
    This paper presents an experimental investigation of demountable reinforced concrete slabs using dry connections between reinforced concrete slab elements. The test specimens comprised six full-scale reinforced concrete slabs; one control slab monolithically cast, while the other five slabs were produced with mid-span demountable dry connections. The slab elements were cast separately and assembled using top and bottom steel plates joined to each side of the slab element by high tensile steel bolts with or without a shear key and embedded steel block. Theoretical analysis of the behaviour of the demountable slabs tested in comparison with the control specimen was also conducted. The test results showed that using a dry connection consisting of a shear key at the assembled section is the most effective technique in terms of moment resistance, deflection, and flexural stiffness. On the other hand, the dry connection with embedded steel blocks failed prematurely because of stress concentration at the block edges. The moment capacity and deflection predictions of demountable slabs have reasonably correlated with the experimental results but required additional calibrated data from experiments.
    URI
    http://hdl.handle.net/10454/19201
    Version
    Accepted manuscript
    Citation
    Almahmood HAA, Ashour AF, Figueira D et al (2022) Tests of demountable reinforced concrete slabs. Structures. 46: 1084-1104.
    Link to publisher’s version
    https://doi.org/10.1016/j.istruc.2022.10.097
    Type
    Article
    Notes
    The full-text of this article will be released for public view at the end of the publisher embargo on 9th Nov 2023.
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