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  • Simplified Analysis of shear-lag in framed-tube structures with multiple internal tubes

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    Author(s)
    Lee, KK
    Guan, H
    Loo, YC
    Griffith University Author(s)
    Loo, Yew-Chaye
    Guan, Hong
    Year published
    2000
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    Abstract
    A simple numerical modelling technique is proposed for estimating the shear-lag behaviour of framed-tube systems with multiple internal tubes. The system is analysed using an orthotropic box beam analogy approach in which each tube is individually modelled by a box beam that accounts for the flexural and shear deformations, as well as the shear-lag effects. The method idealises the tube(s)-in-tube structure as a system of equivalent multiple tubes, each composed of four equivalent orthotropic plate capable of carrying loads and shear forces. The numerical analysis so developed is based on the minimum potential energy principle ...
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    A simple numerical modelling technique is proposed for estimating the shear-lag behaviour of framed-tube systems with multiple internal tubes. The system is analysed using an orthotropic box beam analogy approach in which each tube is individually modelled by a box beam that accounts for the flexural and shear deformations, as well as the shear-lag effects. The method idealises the tube(s)-in-tube structure as a system of equivalent multiple tubes, each composed of four equivalent orthotropic plate capable of carrying loads and shear forces. The numerical analysis so developed is based on the minimum potential energy principle in conjunction with the variational approach. The shear-lag phenomenon of such structures is studied taking into account the additional bending stresses in the tubes. Structural parameters governing the shear-lag behaviour in tube(s)-in-tube structures are also investigated through a series of numerical examples.
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    Journal Title
    Computational Mechanics
    Volume
    26 (5)
    Publisher URI
    http://www.springer.com/engineering/journal/466
    DOI
    https://doi.org/10.1007/s004660000193
    Copyright Statement
    © 2000 Springer-Verlag. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. The original publication is available at www.springerlink.com
    Subject
    Civil engineering
    Mechanical engineering
    History, heritage and archaeology
    Publication URI
    http://hdl.handle.net/10072/3357
    Collection
    • Journal articles

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