Dynamic Effects On Culverts for High Speed Trains

Vega Domínguez, Jaime; Hermanns, Lutz Karl Heinz; Alarcón Álvarez, Enrique y Fraile de Lerma, Alberto (2011). Dynamic Effects On Culverts for High Speed Trains. En: "Congress on Numerical Methods in Engineering 2011", 14/06/2011 - 17/06/2011, Coimbra, Portugal. pp..

Descripción

Título: Dynamic Effects On Culverts for High Speed Trains
Autor/es:
  • Vega Domínguez, Jaime
  • Hermanns, Lutz Karl Heinz
  • Alarcón Álvarez, Enrique
  • Fraile de Lerma, Alberto
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: Congress on Numerical Methods in Engineering 2011
Fechas del Evento: 14/06/2011 - 17/06/2011
Lugar del Evento: Coimbra, Portugal
Título del Libro: Proceedings of Congress on Numerical Methods in Engineering 2011
Fecha: 2011
Materias:
Escuela: E.T.S.I. Industriales (UPM)
Departamento: Mecánica Estructural y Construcciones Industriales [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Culverts are very common in recent railway lines. Wild life corridors and drainage conducts often fall in this category of partially buried structures. Their dynamic behavior has received far less attention than other structures such as bridges but its large number makes that study an interesting challenge from the point of view of safety and savings. In this paper a complete study of a culvert, including on-site measurements as well as numerical modelling, will be presented. The structure belongs to the high speed railway line linking Segovia and Valladolid, in Spain. The line was opened to traffic in 2004. Its dimensions (3x3m) are the most frequent along the line. Other factors such as reduced overburden (0.6m) and an almost right angle with the track axis make it an interesting example to extract generalized conclusions. On site measurements have been performed in the structure recording the dynamic response at selected points of the structure during the passage of high speed trains at speeds ranging between 200 and 300km/h. The measurements by themselves provide a good insight into the main features of the dynamic behaviour of the structure. A 3D finite element model of the structure, representing its key features was also studied as it allows further understanding of the dynamic response to the train loads . In the paper the discrepancies between predicted and measured vibration levels will be analyzed and some advices on numerical modelling will be proposed

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ID de Registro: 12817
Identificador DC: http://oa.upm.es/12817/
Identificador OAI: oai:oa.upm.es:12817
URL Oficial: http://www.itecons.uc.pt/cmne2011/uk/index.htm
Depositado por: Memoria Investigacion
Depositado el: 13 Dic 2012 11:57
Ultima Modificación: 11 Nov 2014 15:58
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