Abstract
The vibrational impact of a city rail is a complex phenomenon, and an effective numerical prediction model has not been developed yet to describe the problem in a complete way. Vibrations induced by rail-way traffic depend significantly on mechanical characteristics of layers of soil underlying the track and type and conditions of rail superstructure. Finite Element Method (FEM) represent an interesting approach which can help to understand behavior and propagation of waves produced by vibration. This method gives trusted results; however, it must be calibrated correctly.
So, this paper presents a study aimed at estimating the forcing produced by light rail trains and the influence of the sediment soil in order to calibrate the FE model. The forcing was obtained by means of accelerometers that recorded accelerations on an active line.
R. Murgia—Independent Researcher.
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Conceptualization, all; methodology and formal analysis, Mauro Coni and Riccardo Murgia; introduction and literary review Francesca Maltinti and Mauro Coni; writing-original draft preparation, Francesca Maltinti; writing-review and editing Francesca Maltinti, Mauro Coni and Nicoletta Rassu; visualization, all. All authors have read and agreed to the published version of the manuscript.
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Coni, M., Murgia, R., Rassu, N., Maltinti, F. (2021). Study on Vibrations Produced by New City Rail of Cagliari. In: Gervasi, O., et al. Computational Science and Its Applications – ICCSA 2021. ICCSA 2021. Lecture Notes in Computer Science(), vol 12956. Springer, Cham. https://doi.org/10.1007/978-3-030-87010-2_43
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