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    Predicting stress and strain of FRP-confined square/rectangular columns using artificial neural networks

    238696_238696.pdf (1.119Mb)
    Access Status
    Open access
    Authors
    Pham, Thong
    Hadi, M.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Pham, T. and Hadi, M. 2014. Predicting stress and strain of FRP-confined square/rectangular columns using artificial neural networks. Journal of Composites for Construction. 18 (6): 04014019.
    Source Title
    Journal of Composites for Construction
    DOI
    10.1061/(ASCE)CC.1943-5614.0000477
    ISSN
    1090-0268
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/26789
    Collection
    • Curtin Research Publications
    Abstract

    © 2014 American Society of Civil Engineers. This study proposes the use of artificial neural networks (ANNs) to calculate the compressive strength and strain of fiber reinforced polymer (FRP)confined square/rectangular columns. Modeling results have shown that the two proposed ANN models fit the testing data very well. Specifically, the average absolute errors of the two proposed models are less than 5%. The ANNs were trained, validated, and tested on two databases. The first database contains the experimental compressive strength results of 104 FRP confined rectangular concrete columns. The second database consists of the experimental compressive strain of 69 FRP confined square concrete columns. Furthermore, this study proposes a new potential approach to generate a user-friendly equation from a trained ANN model. The proposed equations estimate the compressive strength/strain with small error. As such, the equations could be easily used in engineering design instead of the invisible processes inside the ANN.

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