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    Axial Capacity of Circular Concrete¿filled Tube Columns.

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    Publication date
    2004
    Author
    Giakoumelis, G.
    Lam, Dennis
    Keyword
    Composite
    High strength
    Concrete
    Steel design
    Columns
    Confinement
    Circular hollow sections
    Tubes
    Concrete-filled steel tubes (CFT)
    Structural engineering
    Peer-Reviewed
    yes
    
    Metadata
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    Abstract
    The behaviour of circular concrete-filled steel tubes (CFT) with various concrete strengths under axial load is presented. The effects of steel tube thickness, the bond strength between the concrete and the steel tube, and the confinement of concrete are examined. Measured column strengths are compared with the values predicted by Eurocode 4, Australian Standards and American Codes. 15 specimens were tested with 30, 60 and 100 N/mm2 concrete strength, with a D/t ratio from 22.9 to 30.5. All the columns were 114 mm in diameter and 300 mm in length. The effect due to concrete shrinkage is critical for high-strength concrete and negligible for normal strength concrete. All three codes predicted lower values than that measured during the experiments. Eurocode 4 gives the best estimation for both CFT with normal and high-strength concrete.
    URI
    http://hdl.handle.net/10454/5652
    Version
    published version paper
    Citation
    Giakoumelis, G. and Lam, D. (2004). Axial Capacity of Circular Concrete-filled Tube Columns. Journal of Constructional Steel Research. Vol. 60, No. 7, pp. 1049-1068.
    Link to publisher’s version
    http://dx.doi.org/10.1016/j.jcsr.2003.10.001
    Type
    Article
    Collections
    Engineering and Informatics Publications

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