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dc.contributor.author | Montalbán Domingo, María Laura | es_ES |
dc.contributor.author | Zamorano Martin, C. | es_ES |
dc.contributor.author | Palenzuela Aviles, C. | es_ES |
dc.contributor.author | Real Herráiz, Julia Irene | es_ES |
dc.date.accessioned | 2015-05-26T11:57:06Z | |
dc.date.available | 2015-05-26T11:57:06Z | |
dc.date.issued | 2014 | |
dc.identifier.issn | 1537-744X | |
dc.identifier.uri | http://hdl.handle.net/10251/50772 | |
dc.description.abstract | The principal causes of cracking in prestressed concrete sleepers are the dynamic loads induced by track irregularities and imperfections in the wheel-rail contact and the in-phase and out-of-phase track resonances. The most affected points are the mid-span and rail-seat sections of the sleepers. Central and rail-seat crack detection require visual inspections, as legislation establishes, and involve sleepers' renewal even though European Normative considers that thicknesses up to 0.5mm do not imply an inadequate behaviour of the sleepers. For a better understanding of the phenomenon, the finite element method constitutes a useful tool to assess the effects of cracking from the point of view of structural behaviour in railway track structures. This paper intends to study how the cracks at central o rail-seat section in prestressed concrete sleepers influence the track behaviour under static loading. The track model considers three different sleeper models: uncracked, cracked at central section, adn cracked at rail-seat section. These models were calibrated an validated using the frequencies of vibration of the first three bending modes obtained from an experimental modal analysis. The results show the insignificant influence of the central cracks and the notable effects of the rail-seat cracks regarding deflections and stresses | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | Hindawi Publishing Corporation | es_ES |
dc.relation.ispartof | The Scientific World Journal | es_ES |
dc.rights | Reconocimiento (by) | es_ES |
dc.subject.classification | INGENIERIA E INFRAESTRUCTURA DE LOS TRANSPORTES | es_ES |
dc.title | Analysis of the influence of cracked sleepers under static loading on ballasted railway tracks | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1155/2014/363547 | |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto Universitario de Matemática Multidisciplinar - Institut Universitari de Matemàtica Multidisciplinària | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Ingeniería e Infraestructura de los Transportes - Departament d'Enginyeria i Infraestructura dels Transports | es_ES |
dc.description.bibliographicCitation | Montalban Domingo, ML.; Zamorano Martin, C.; Palenzuela Aviles, C.; Real Herráiz, JI. (2014). Analysis of the influence of cracked sleepers under static loading on ballasted railway tracks. The Scientific World Journal. 2014. doi:10.1155/2014/363547 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1155/2014/363547 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 2014 | es_ES |
dc.relation.senia | 277433 | |
dc.identifier.pmid | 25530998 | en_EN |
dc.identifier.pmcid | PMC4228732 | en_EN |
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