Application of Recycled Rubber Mats for Improved Performance of Ballasted Tracks

Ngo, T; Indraratna, B; Rujikiatkamjorn, C

Application of Recycled Rubber Mats for Improved Performance of Ballasted Tracks

Ngo, T Indraratna, B

Rujikiatkamjorn, C

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Publisher:: Springer
Publication Type:: Conference Proceeding
Citation:: Advances in Geotechnical Engineering & Geoenvironmental Engineering, 2021, pp. 37-47
Issue Date:: 2021-01-01

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Field	Value	Language
dc.contributor.author	Ngo, T
dc.contributor.author	Indraratna, B https://orcid.org/0000-0002-9057-1514
dc.contributor.author	Rujikiatkamjorn, C https://orcid.org/0000-0001-8625-2839
dc.date	2021-09-18
dc.date.accessioned	2022-04-27T09:05:24Z
dc.date.available	2022-04-27T09:05:24Z
dc.date.issued	2021-01-01
dc.identifier.citation	Advances in Geotechnical Engineering & Geoenvironmental Engineering, 2021, pp. 37-47
dc.identifier.isbn	9783030801410
dc.identifier.issn	2366-3405
dc.identifier.issn	2366-3413
dc.identifier.uri	http://hdl.handle.net/10453/156679
dc.description.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.
dc.language	en
dc.publisher	Springer
dc.relation	http://purl.org/au-research/grants/arc/IC170100006
dc.relation.ispartof	Advances in Geotechnical Engineering & Geoenvironmental Engineering
dc.relation.ispartof	GeoChina: Civil Infrastructures Confronting Severe Weathers and Climate Changes Conference
dc.relation.ispartofseries	Sustainable Civil Infrastructures
dc.relation.isbasedon	10.1007/978-3-030-80142-7_3
dc.rights	info:eu-repo/semantics/openAccess
dc.title	Application of Recycled Rubber Mats for Improved Performance of Ballasted Tracks
dc.type	Conference Proceeding
utslib.location.activity	Nanchang, China
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	open_access	*
pubs.consider-herdc	false
dc.date.updated	2022-04-27T09:05:21Z
pubs.finish-date	2021-09-19
pubs.place-of-publication	Switzerland
pubs.publication-status	Published
pubs.start-date	2021-09-18
dc.location	Switzerland

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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http://hdl.handle.net/10453/156679