Piles are commonly applied to the construction of high-speed railways at grade for many purposes including controlling train-induced ground vibration. The piles are inserted into the ground periodically in the track direction, making the track/pile/ground system very complicated. The most frequently used method to analyze this kind of structure is to establish a three-dimensional finite element model at a very high computational cost. Based on the fictitious pile method, this paper develops a semi-analytical model, in which the track/pile/ground system is divided into a 2.5D track/ground system and a system of an infinite number of periodically arranged fictitious piles, to investigate the effect of the pile-plank structure on ground vibration. The two systems become equivalent to the original track/pile/ground system when they are coupled using the displacement continuity condition. Making use of the periodicity of the track/pile/ground system, the model works in the Floquet wavenumber domain and only a single cell of the periodic structure is required to analyze. The results show that the pile-plank structure reduces as well as increases, depending on frequency, train-induced ground vibration.


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    Titel :

    Prediction of Ground Vibration Induced by a High-Speed Train Moving Along a Track Supported by a Pile-Plank Structure


    Weitere Titelangaben:

    Lect.Notes Mechanical Engineering


    Beteiligte:
    Sheng, Xiaozhen (Herausgeber:in) / Thompson, David (Herausgeber:in) / Degrande, Geert (Herausgeber:in) / Nielsen, Jens C. O. (Herausgeber:in) / Gautier, Pierre-Etienne (Herausgeber:in) / Nagakura, Kiyoshi (Herausgeber:in) / Kuijpers, Ard (Herausgeber:in) / Nelson, James Tuman (Herausgeber:in) / Towers, David A. (Herausgeber:in) / Anderson, David (Herausgeber:in)

    Kongress:

    International Workshop on Railway Noise ; 2022 ; Shanghai, China December 07, 2022 - December 09, 2022



    Erscheinungsdatum :

    24.02.2024


    Format / Umfang :

    9 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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