Nuevos metodos de calculo dinamico para puentes de ferrocarril en las instrucciones IAPFy Eurocodigo 1
New methods of dynamic calculation for railway bridges in the IAPFcode and Eurocode 1
Los puentes y viaductos para ferrocarril de alta velocidad estan sometidos a acciones dinamicas elevadas, ya que al efecto clasico de la carga (aislada) movil se viene a sumar la resonancia que se manifiesta para velocidades por encima de 220 km/h. Los metodos de valoracion del impacto dinamico en las instrucciones de proyecto hasta ahora no recogen esta posibilidad de resonancia. El diseno de estas estructuras exige calculos dinamicos que son el objeto de este articulo. Se abarca aqui un analisis de las provisiones de las nuevas normas (borradores) IAPF y Eurocodigo 1 de acciones en puentes, poniendo especial enfasis en los aspectos mas novedosos. (A). English abstract: Bridges and viaducts for high speed railways are subject to significant dynamic actions. To the classical effect of a (single) moving load one has to add the resonant behaviour which occurs for train speeds aboye 220 km/h. The provisions for dynamic effects foreseen in existing classical design coles do not cover this possibility of resonance. The design of these structures requires dynamic analyses which are the object of this paper. Here we cover an analysis of the provisions of the new (draft) coles IAPF and Eurocode 1 for actions on bridges, with special emphasis on the newly introduced aspects. (A).
-
Availability:
- Find a library where document is available. Order URL: http://worldcat.org/issn/00348619
-
Authors:
- GOICOLEA RUIGOMEZ, J M
- NAVARRO GONZALEZ, J A
- DOMINGUEZ BARBERO, J
- GABALDON CASTILLO, F
- Publication Date: 2004-6
Language
- Spanish
Media Info
- Pagination: 39-46
-
Serial:
- Revista de Obras Publicas
- Issue Number: 3.445
- Publisher: Colegio de Ingenieros de Caminos
- ISSN: 0034-8619
Subject/Index Terms
- TRT Terms: Bridges; Calculation; Coefficients; Dynamics; High speed ground transportation; Mathematical models; Railroad tracks; Railroad trains; Repeated loads; Shock (Mechanics); Speed; Standards
- Geographic Terms: Spain
- ITRD Terms: 1163: Alta velocidad; 6464: Calculo; 5588: Carga repetida; 5471: Choque; 6410: Coeficiente; 5473: Dinamica; 8105: Espana; 9134: Interoperabilidad; 6473: Modelo matematico; 187: Norma; 3455: Puente; 1268: Tren (ferrocarril); 1062: Via de ferrocarril
- Subject Areas: Bridges and other structures; Railroads; I24: Design of Bridges and Retaining Walls;
Filing Info
- Accession Number: 01183533
- Record Type: Publication
- Source Agency: Centro de Estudios y Experimentación de Obras Públicas (CEDEX)
- Files: ITRD
- Created Date: Oct 7 2010 11:19AM