Dynamic response of underpasses for high-speed train lines

Vega Domínguez, Jaime and Fraile de Lerma, Alberto and Alarcón Álvarez, Enrique and Hermanns, Lutz Karl Heinz (2012). Dynamic response of underpasses for high-speed train lines. "Journal of Sound and Vibration", v. 331 (n. 23); pp. 5125-5140. ISSN 0022-460X.


Title: Dynamic response of underpasses for high-speed train lines
  • Vega Domínguez, Jaime
  • Fraile de Lerma, Alberto
  • Alarcón Álvarez, Enrique
  • Hermanns, Lutz Karl Heinz
Item Type: Article
Título de Revista/Publicación: Journal of Sound and Vibration
Date: 5 November 2012
Volume: 331
Faculty: E.T.S.I. Industriales (UPM)
Department: Mecánica Estructural y Construcciones Industriales [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Underpasses are common in modern railway lines. Wildlife corridors and drainage conduits often fall into this category of partially buried structures. Their dynamic behavior has received far less attention than that of other structures such as bridges, but their large number makes their study an interesting challenge from the viewpoint of safety and cost savings. Here, we present a complete study of a culvert, including on-site measurements and numerical modeling. The studied structure belongs to the high-speed railway line linking Segovia and Valladolid in Spain. The line was opened to traffic in 2004. On-site measurements were performed for the structure by recording the dynamic response at selected points of the structure during the passage of high-speed trains at speeds ranging between 200 and 300 km/h. The measurements provide not only reference values suitable for model fitting, but also a good insight into the main features of the dynamic behavior of this structure. Finite element techniques were used to model the dynamic behavior of the structure and its key features. Special attention is paid to vertical accelerations, the values of which should be limited to avoid track instability according to Eurocode. This study furthers our understanding of the dynamic response of railway underpasses to train loads.

More information

Item ID: 15308
DC Identifier: http://oa.upm.es/15308/
OAI Identifier: oai:oa.upm.es:15308
Deposited by: Biblioteca ETSI Industriales
Deposited on: 14 May 2013 10:09
Last Modified: 21 Apr 2016 15:21
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