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  • Unconstrained Cross-Sectional Shape Optimisation of Cold-Formed Steel Beams and Beam-Columns

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    WangPUB2982.pdf (345.8Kb)
    Author(s)
    Wang, B
    Gilbert, BP
    Bosco, GL
    Guan, H
    Teh, LH
    Griffith University Author(s)
    Guan, Hong
    Wang, Bin
    Gilbert, Benoit
    Bosco, Guillaume LM.
    Year published
    2016
    Metadata
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    Abstract
    This paper is focused on optimising the cross-sectional shapes of simply-supported, singly-symmetric and open-section cold-formed steel (CFS) beams and beam-columns without manufacturing or assembly constraints. A previously developed Genetic Algorithm (GA) is used in this study. Fully restrained and unrestrained beams against lateral deflection and twist, as well as unrestrained beam-columns are optimised, of which the nominal member capacities are determined by the Direct Strength Method (DSM). The optimised cross-sectional shapes are presented and the evolution of the unrestrained cross-sectional shapes for various ...
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    This paper is focused on optimising the cross-sectional shapes of simply-supported, singly-symmetric and open-section cold-formed steel (CFS) beams and beam-columns without manufacturing or assembly constraints. A previously developed Genetic Algorithm (GA) is used in this study. Fully restrained and unrestrained beams against lateral deflection and twist, as well as unrestrained beam-columns are optimised, of which the nominal member capacities are determined by the Direct Strength Method (DSM). The optimised cross-sectional shapes are presented and the evolution of the unrestrained cross-sectional shapes for various combinations of axial load and bending moment is analysed and discussed.
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    Conference Title
    Wei-Wen Yu International Specialty Conference on Cold-Formed Steel Structures 2016 - Recent Research and Developments in Cold-Formed Steel Design and Construction
    Publisher URI
    http://scholarsmine.mst.edu/isccss/23iccfss/session3/7/
    Copyright Statement
    © The Author(s) 2016. The attached file is reproduced here in accordance with the copyright policy of the publisher. For information about this conference please refer to the conference’s website or contact the author[s].
    Subject
    Structural Engineering
    Publication URI
    http://hdl.handle.net/10072/337575
    Collection
    • Conference outputs

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