On the use of under sleeper pads in transition zones at railway underpasses: experimental field testing
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , |
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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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 |
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