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    Structural Design of Concrete Filled Steel Elliptical Hollow Sections

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    Publication date
    2011
    Author
    Lam, Dennis
    Testo, N.
    Keyword
    Structural design
    Hollow sections
    Axial loads
    Tubes
    Concrete filled
    Steel
    Elliptical hollow sections
    Peer-Reviewed
    na
    
    Metadata
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    Abstract
    This paper presents the behaviour and design of axially loaded elliptical steel hollow sections filled with normal and high strength concrete. The experimental investigation was conducted with three nominal wall thickness (4mm, 5mm and 6.3mm) and different infill concrete cube strengths varied from 30 to 100 MPa. The effect of steel tube thickness, concrete strength, and confinement were discussed together with column strengths and load-axial shortening curves were evaluated. The study is limited to cross-section capacity and has not been validated at member level. Comparisons of the tests results together with other available results from the literature have been made with current design method used for the design of composite circular steel sections in Eurocode 4 and AISC codes. It was found that existing design guidance for concrete filled circular hollow sections may generally be safely applied to concrete filled elliptical steel tubes.
    URI
    http://hdl.handle.net/10454/5891
    Version
    published version paper
    Citation
    Lam, D. and Testo, N. (2011). Structural Design of Concrete Filled Steel Elliptical Hollow Sections. In: Composite Construction in Steel and Concrete VI, Proceedings. American Society of Civil Engineers. pp 252 ¿ 262.
    Link to publisher’s version
    http://ascelibrary.org/doi/abs/10.1061/41142%28396%2921
    Type
    Conference paper
    Collections
    Engineering and Informatics Publications

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