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Response of Approach to Integral Abutment Bridge Under Cyclic Thermal Movement Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Application of Recycled Rubber Mats for Improved Performance of Ballasted Tracks

Authors : Trung Ngo, Buddhima Indraratna, Cholachat Rujikiatkamjorn

Published in: Advances in Geotechnical Engineering & Geoenvironmental Engineering

Publisher: Springer International Publishing

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Abstract

This paper summaries the results of a study on the use of recycled rubber mats for improved performance of ballasted tracks. One solution used to minimise ballast degradation (breakage) is to use an innovative recycled rubber mat, known as rubber-energy-absorbing drainage mat (READ), manufactured from end-of-life tires to provide a cost-effective solution to conventional tracks. When placed underneath the ballast, the energy-absorbing nature of the rubber mats decreases the load that is transferred to the ballast, so the ballast experiences less deformation and breakage. In this study, a series of large-scale triaxial tests are conducted to investigate the performance of the READS in the attenuation of cyclic and dynamic loads and subsequent reducing of ballast degradation. Numerical modelling using the Discrete Element Method (DEM) is conducted to investigate the improved performance of ballast in a micromechanical perspective. Evolutions of contact forces and contour stress distributions during cyclic tests are investigated through coupled DEM-FEM model.

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previous chapter Numerical Assessment on the Influence of Various Factors for Subsidence at the Intersection of Expwy 78 and High Speed Rail of Taiwan
next chapter Appraisal of Railway Ballast Degradation Through Los Angeles Abrasion, Cyclic Loading Tests, and Image Technics
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Metadata
Title
Application of Recycled Rubber Mats for Improved Performance of Ballasted Tracks
Authors
Trung Ngo
Buddhima Indraratna
Cholachat Rujikiatkamjorn
Copyright Year
2021
Book
Advances in Geotechnical Engineering & Geoenvironmental Engineering

Print ISBN: 978-3-030-80141-0

Electronic ISBN: 978-3-030-80142-7

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-80142-7_3