Evaluation of railway track deflections using the finite element method
DOI:
https://doi.org/10.5433/1679-0375.2020v41n1p95Keywords:
Via férrea. Método dos elementos finitos. Deflexão da via.Abstract
Rail transport is linked to the efficiency of transport infrastructure, and the increasing inefficiency of Brazil’s road network has highlighted the importance of rail transport for the country. Therefore, alleviation of logistical bottlenecks has been pursued, and alternative proposals aimed at improving the railway transportation mode in Brazil have gained increasing prominence. In this sense, knowledge of railway track mechanical behavior is essential, both for maintenance purposes and for designing new railways. Thus, the goal of this study is to analyze a railway track mechanical behavior using the finite element method.
A three-dimensional model of the rail was developed, and the other railway components were simulated by considering springs with constant stiffness coefficients, according to the concept of the support stiffness coefficient. The results obtained were compared to data from the literature on the subject and to analytical formulations based on the Talbot method. Similar deflection results were found in the models compared; divergences occurred due to the different considerations of the models.
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