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    New Test for Shear Connectors in Composite Construction.

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    Publication date
    2000
    Author
    Lam, Dennis
    Keyword
    Composite beams
    Concrete slabs
    Steel beams
    Shear forces
    Interfaces
    Cracking
    Peer-Reviewed
    Yes
    
    Metadata
    Show full item record
    Abstract
    Composite beams formed by connecting the concrete slabs to the supporting steel beams have been in use for many years. Much of the research into this form of construction has concentrated on the more traditional reinforced concrete and metal deck construction. In composite beam design, the strength of the shear connector is of great importance since longitudinal shear forces must be transferred across the steel-concrete interface by the mechanical action of shear connectors. The shear strength and stiffness of the connection is not only dependent on the strength of the connector itself, but also on the resistance of the concrete slab to longitudinal cracking caused by the high concentration of shear force at each connector. Present knowledge of this behaviour is limited to shear connectors in solid reinforced concrete slabs and concrete slabs with profiled sheeting, little information is given for the shear connector capacity on composite steel beam with precast hollow core slabs. A new horizontal push off test is proposed to determine the shear capacity of the connector on the composite beams with precast concrete hollow cored floor slabs. The results showed the new test is compatible with all type of floor and shear connectors, and can replace the existing vertical push off tests.
    URI
    http://hdl.handle.net/10454/5637
    Version
    published version paper
    Citation
    Lam, D. (2000). New Test for Shear Connectors in Composite Construction. In: Hajjar, J. F., Hosain, M., Samuel Easterling, W. and Shahrooz, B. M. (Eds). Composite Construction in Steel and Concrete IV. American Society of Civil Engineers. pp. 404-414.
    Link to publisher’s version
    http://dx.doi.org/10.1061/40616(281)35
    Type
    Article
    Collections
    Engineering and Informatics Publications

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