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  • Estimation of Current-Induced Pile Groups Scour using a Rule Based Method

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    Author(s)
    Ghaemi, N
    Etemad-Shahidi, A
    Ataie-Ashtiani, B
    Griffith University Author(s)
    Etemad Shahidi, Amir F.
    Year published
    2013
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    Abstract
    Scour phenomenon around piles could endanger the stability of the structures placed on them. Therefore, an accurate estimation of the scour depth around piles is very important for engineers. Due to the complexity of the interaction between the current, seabed and pile group; prediction of the scour depth is a difficult task and the available empirical formulas have limited accuracy. Recently, soft computing methods such as Artificial Neural Networks (ANN) and Adaptive Neuro-Fuzzy Inference System (ANFIS) have been used for the prediction of the scour depth. However, these methods do not give enough insight into the generated ...
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    Scour phenomenon around piles could endanger the stability of the structures placed on them. Therefore, an accurate estimation of the scour depth around piles is very important for engineers. Due to the complexity of the interaction between the current, seabed and pile group; prediction of the scour depth is a difficult task and the available empirical formulas have limited accuracy. Recently, soft computing methods such as Artificial Neural Networks (ANN) and Adaptive Neuro-Fuzzy Inference System (ANFIS) have been used for the prediction of the scour depth. However, these methods do not give enough insight into the generated models and are not as easy to use as the empirical formulas. In this study, new formulas are given that are compact, accurate and physically sound. In comparison with the other soft computing methods, this approach is more transparent and robust. Comparison between the developed formulas and previous empirical formulas showed the superiority of the developed ones in terms of accuracy. In addition, the given formulas can be easily used by engineers to estimate the scour depth around pile groups. Moreover, in this study, design factors are given for different levels of acceptable risks, which can be useful for design purposes.
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    Journal Title
    Journal of Hydroinformatics
    Volume
    15
    Issue
    2
    DOI
    https://doi.org/10.2166/hydro.2012.175
    Copyright Statement
    © IWA Publishing 2013. This is the author-manuscript version of this paper. The definitive peer-reviewed and edited version of this article is published in Journal of Hydroinformatics, 15 (2) 516-528; 10.2166/hydro.2012.175 and is available at www.iwapublishing.com
    Subject
    Civil engineering
    Civil engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/54233
    Collection
    • Journal articles

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