On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing

Detalhes bibliográficos
Autor(a) principal: Paixão, A.
Data de Publicação: 2015
Outros Autores: Ribeiro , C., Pinto, N., Fortunato, E., Calçada, R.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://dx.doi.org/10.1080/15732479.2013.850730
http://repositorio.lnec.pt:8080/jspui/handle/123456789/1007250
Resumo: The railway track at transition zones to bridges or to other structures usually requires considerably more interventions to maintain the same open track service quality and safety levels. Under sleeper pads (USP) have been reported to contribute to reduce degradation and frequency of maintenance operations in open ballasted tracks, and recent numerical studies have suggested its use in transition zones. In this study, the influence of using USP at transition zones to underpasses was investigated. The structural behaviour of two transitions to similar box culverts was compared. USP were added to the sleepers in one of the transitions. Track characterisation using non-destructive tests is presented and analysed. Measurements of track response from passing trains are also presented and discussed. Results indicate that USP influence the dynamic behaviour of the track, increasing its vertical flexibility and amplifying both rail displacements and sleeper accelerations.
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spelling On the use of under sleeper pads in transition zones at railway underpasses: experimental field testingRailway underpassesTransition zonesUnder sleeper padsFeld measurementsTrack monitoringThe railway track at transition zones to bridges or to other structures usually requires considerably more interventions to maintain the same open track service quality and safety levels. Under sleeper pads (USP) have been reported to contribute to reduce degradation and frequency of maintenance operations in open ballasted tracks, and recent numerical studies have suggested its use in transition zones. In this study, the influence of using USP at transition zones to underpasses was investigated. The structural behaviour of two transitions to similar box culverts was compared. USP were added to the sleepers in one of the transitions. Track characterisation using non-destructive tests is presented and analysed. Measurements of track response from passing trains are also presented and discussed. Results indicate that USP influence the dynamic behaviour of the track, increasing its vertical flexibility and amplifying both rail displacements and sleeper accelerations.Taylor & Francis2015-06-05T09:41:11Z2017-04-12T15:21:04Z2015-01-01T00:00:00Z2015-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://dx.doi.org/10.1080/15732479.2013.850730http://repositorio.lnec.pt:8080/jspui/handle/123456789/1007250engPaixão, A.Ribeiro , C.Pinto, N.Fortunato, E.Calçada, R.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-13T03:02:40Zoai:localhost:123456789/1007250Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:38:39.060676Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
title On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
spellingShingle On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
Paixão, A.
Railway underpasses
Transition zones
Under sleeper pads
Feld measurements
Track monitoring
title_short On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
title_full On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
title_fullStr On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
title_full_unstemmed On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
title_sort On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
author Paixão, A.
author_facet Paixão, A.
Ribeiro , C.
Pinto, N.
Fortunato, E.
Calçada, R.
author_role author
author2 Ribeiro , C.
Pinto, N.
Fortunato, E.
Calçada, R.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Paixão, A.
Ribeiro , C.
Pinto, N.
Fortunato, E.
Calçada, R.
dc.subject.por.fl_str_mv Railway underpasses
Transition zones
Under sleeper pads
Feld measurements
Track monitoring
topic Railway underpasses
Transition zones
Under sleeper pads
Feld measurements
Track monitoring
description The railway track at transition zones to bridges or to other structures usually requires considerably more interventions to maintain the same open track service quality and safety levels. Under sleeper pads (USP) have been reported to contribute to reduce degradation and frequency of maintenance operations in open ballasted tracks, and recent numerical studies have suggested its use in transition zones. In this study, the influence of using USP at transition zones to underpasses was investigated. The structural behaviour of two transitions to similar box culverts was compared. USP were added to the sleepers in one of the transitions. Track characterisation using non-destructive tests is presented and analysed. Measurements of track response from passing trains are also presented and discussed. Results indicate that USP influence the dynamic behaviour of the track, increasing its vertical flexibility and amplifying both rail displacements and sleeper accelerations.
publishDate 2015
dc.date.none.fl_str_mv 2015-06-05T09:41:11Z
2015-01-01T00:00:00Z
2015-01
2017-04-12T15:21:04Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1080/15732479.2013.850730
http://repositorio.lnec.pt:8080/jspui/handle/123456789/1007250
url http://dx.doi.org/10.1080/15732479.2013.850730
http://repositorio.lnec.pt:8080/jspui/handle/123456789/1007250
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Taylor & Francis
publisher.none.fl_str_mv Taylor & Francis
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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