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    Finite element analysis of concrete filled lean duplex stainless steel columns

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    Lam_et_al_Structures.pdf (3.289Mb)
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    Publication date
    2019-10
    Author
    Lam, Dennis
    Yang, Jie
    Dai, Xianghe
    Keyword
    Lean duplex stainless steel
    Composite columns
    Axial compression
    Finite element model
    Cross-section capacity
    Eurocode 4
    Rights
    © 2019 Institution of Structural Engineers. Published by Elsevier Ltd. All rights reserved. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    In recent years, a new low nickel content stainless steel (EN 1.4162) commonly referred as ‘lean duplex stainless steel’ has been developed, which has over two times the tensile strength of the more familiar austenitic stainless steel but at approximately half the cost. This paper presents the finite element analysis of concrete filled lean duplex stainless steel columns subjected to concentric axial compression. To predict the performance of this form of concrete filled composite columns, a finite element model was developed and finite element analyses were conducted. The finite element model was validated through comparisons of the results obtained from the experimental study. A parametric study was conducted to examine the effect of various parameters such as section size, wall thickness, infill concrete strength, etc. on the overall behaviour and compressive resistance of this form of composite columns. Through both experimental and numerical studies, the merits of using lean duplex stainless steel hollow sections in concrete filled composite columns were highlighted. In addition, a new formula based on the Eurocode 4 was proposed to predict the cross-section capacity of the concrete filled lean duplex stainless steel composite columns subjected to axial compression.
    URI
    http://hdl.handle.net/10454/16821
    Version
    Accepted manuscript
    Citation
    Lam D, Yang J and Dai X (2019) Finite element analysis of concrete filled lean duplex stainless steel columns. Structures. 21: 150-155.
    Link to publisher’s version
    https://doi.org/10.1016/j.istruc.2019.01.024
    Type
    Article
    Collections
    Engineering and Informatics Publications

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