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Materials 2014, 7(8), 5903-5919; doi:10.3390/ma7085903

The Use of Deconstructed Tires as Elastic Elements in Railway Tracks

Laboratory of Construction Engineering, University of Granada, C/Severo Ochoa s/n, Granada 18071, Spain
These authors contributed equally to this work.
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Received: 13 June 2014 / Revised: 29 July 2014 / Accepted: 31 July 2014 / Published: 18 August 2014
(This article belongs to the Special Issue Recycled Materials)
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Abstract

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. View Full-Text
Keywords: railway track; elastic elements; deconstructed tire layers; laboratory study railway track; elastic elements; deconstructed tire layers; laboratory study
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sol-Sánchez, M.; Moreno-Navarro, F.; Rubio-Gámez, M.C. The Use of Deconstructed Tires as Elastic Elements in Railway Tracks. Materials 2014, 7, 5903-5919.

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