The Use of Deconstructed Tires as Elastic Elements in Railway Tracks
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Railway trackElastic elementsDeconstructed tire layersLaboratory study
Sol-Sánchez, M.; Moreno-Navarro, F.; Rubio-Gámez, M.C. The Use of Deconstructed Tires as Elastic Elements in Railway Tracks. Materials, 7(8): 5903-5919 (2014). [http://hdl.handle.net/10481/33204]
SponsorshipAuthors want to thank to the Ministry of Economy and Competitiveness of Spain for the support received to develop the project entitled ―Design of used tire pads to be utilized as anti-vibration systems in railway tracks‖, IPT-2011-1963-310000.
Elastic elements such as rail pads, under sleeper pads and under ballast mats are railway components that allow for a reduction in track deterioration and vibrations. And they are furthermore commonly used to obtain an optimal vertical stiffness of the infrastructure. However, the use of elastomeric materials can increase construction costs and the consumption of raw materials. Thus, the utilization of used tire layers offers an alternative to reuse an abundant waste reducing the cost of elastic elements. In addition, an innovator technique allows deconstructing tire layers without grinding up the material, reducing production costs at the same time that tire properties are remained. This research is focused on the study of the viability of developing elastic components from used tire layers by evaluating the influence of thickness, the resistance capacity of the elements and their behavior in a ballast box. Results indicate the ability of tire pads to manufacture elastic elements (rail pads, under sleeper pads and under ballast mats) to be used in railway tracks.