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    Experiments on the bearing capacity of tapered concrete filled double skin steel tubular (CFDST) stub columns

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    Publication date
    2014
    Author
    Ren, Q-X.
    Hou, C.
    Lam, Dennis
    Han, L-H.
    Keyword
    Concrete filled steel tube (CFST); Concrete filled double skin steel tube (CFDST); Tapered column; Axial partial compression; Cross-sectional capacity
    Peer-Reviewed
    yes
    
    Metadata
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    Abstract
    Tapered concrete filled double skin steel tubular (CFDST) columns have been used in China for structures such as electricity transmission towers. In practice, the bearing capacity related to the connection details on the top of the column is not fully understood. In this paper, the experimental behaviour of tapered CFDST stub columns subjected to axial partial compression is reported, sixteen specimens with top endplate and ten specimens without top endplate were tested. The test parameters included: (1) tapered angle, (2) top endplate thickness, and (3) partial compression area ratio. Test results show that the tapered CFDST stub columns under axial partial compression behaved in a ductile manner. The axial partial compressive behaviour and the failure modes of the tapered CFDST stub columns were significantly influenced by the parameters investigated. Finally, a simple formula for predicting the cross-sectional capacity of the tapered CFDST sections under axial partial compression is proposed.
    URI
    http://hdl.handle.net/10454/10283
    Version
    No full-text in the repository
    Citation
    Ren Q X, Hou C, Lam D and Han LH (2014) Experiments on the bearing capacity of tapered concrete filled double skin steel tubular (CFDST) stub columns. Steel and Composite Structures. 17(5): 667-686.
    Link to publisher’s version
    http://technopress.kaist.ac.kr/
    Type
    Article
    Collections
    Engineering and Informatics Publications

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