A computational procedure for prediction of ballasted track profile degradation under railway traffic loading

Nguyen, K. and Villalmanzo, D. I. and Goicolea Ruigómez, José María and Gabaldón Castillo, Felipe (2015). A computational procedure for prediction of ballasted track profile degradation under railway traffic loading. "Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit" ; pp. 1-16. ISSN 2041-3017. https://doi.org/10.1177/0954409715615374.

Description

Title: A computational procedure for prediction of ballasted track profile degradation under railway traffic loading
Author/s:
  • Nguyen, K.
  • Villalmanzo, D. I.
  • Goicolea Ruigómez, José María
  • Gabaldón Castillo, Felipe
Item Type: Article
Título de Revista/Publicación: Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit
Date: 2015
ISSN: 2041-3017
Subjects:
Freetext Keywords: Track settlement, accumulation model, hypoplasticity, vehicle–track interaction
Faculty: E.T.S.I. Caminos, Canales y Puertos (UPM)
Department: Mecánica de Medios Continuos y Teoría de Estructuras
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A computational procedure is developed in the present paper, allowing the prediction of the ballasted track profile degradation under railway traffic loading. In this procedure, an integration of the short-term and long-term mechanical processes of track deterioration is taken into account, using a track degradation model. This degradation model is incorporated into a finite element code where two modes of calculation are implemented: the ‘‘implicit mode’’ concerns the short-term track deterioration, in which the hypoplastic model is used for the ballast layer and the dynamic response to an instantaneous train axle passage is obtained to serve as input data for the ‘‘explicit mode’’, which concerns the simulation of long-term track deterioration, using the accumulation model for ballast layer. The whole procedure is illustrated on the prediction of the ballasted track profile degradation of a track section of 100 m. The results show a significant influence of the type of track geometry defects and the vehicle velocity on the evolution of track deterioration and the capability of the proposed procedure in reproducing the track profile degradation.

Funding Projects

TypeCodeAcronymLeaderTitle
Government of SpainIPT-370000-2010-012VIADINTEGRAUnspecifiedUnspecified

More information

Item ID: 41318
DC Identifier: http://oa.upm.es/41318/
OAI Identifier: oai:oa.upm.es:41318
DOI: 10.1177/0954409715615374
Official URL: http://pif.sagepub.com/content/early/2015/11/10/0954409715615374.abstract
Deposited by: Memoria Investigacion
Deposited on: 04 Jul 2016 15:18
Last Modified: 04 Jul 2016 15:18
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