Importance of a Detailed Vibratory Characterization of a Railway Line for the Propagation of Vibrations in an Eco-Neighborhood

The vibration field of a railway line in a 180 m linear cutting was measured and modeled to predict its impact on a future real estate program, as a work package of ECOCITE II, an urban innovation program. For decades, vibration levels due to rolling stock have been evaluated in the vicinity of tracks on the vertical z axis, at one or a few points, supposed to be representative of the entire vibration field around the tracks. When the size of the project is rather large, this assumption is incorrect, especially if the site is located near a train station, where stresses in the tracks can vary a lot depending on the direction of the train, i.e. depending on acceleration or deceleration of the train. This paper presents vibration measurements performed in different directions at six positions before the construction of any building (free field conditions) along the tracks. Steel spikes were used to mount vibration sensors and results suggest that resonances can appear at some measurement points. In this paper, a procedure similar to the FTA method is used to further investigate this behavior. Furthermore, the attenuation of ground vibrations as a function of distance from the track can be used to evaluate the loss factor in the ground based on a comparison with a 2.5D BEM model of the ground including the different layers. The model is then used to identify equivalent forces in different directions (i.e. vertical, perpendicular and parallel to track directions) associated to train passage to lead to similar vibration transmission behavior in the ground.

• Record URL:
  • https://doi.org/10.1007/978-3-030-70289-2
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9783030702885
• Supplemental Notes:
  • © Springer Nature Switzerland AG 2021.
• Corporate Authors:

  Springer Cham

  Gewerbestrasse 11
  Cham,   Germany 
• Authors:
  • Coquel, Guillaume
  • Guigou-Carter, Catherine
  • Jean, Philippe
• Conference:
  • 13th International Workshop on Railway Noise
  • Location: Ghent , Belgium
  • Date: 2019-9-16 to 2019-9-20
• Publication Date: 2021-4

Language

• English

Media Info

• Media Type: Web
• Edition: 1st Edition
• Features: References;
• Pagination: pp 351-359
• Monograph Title: Noise and Vibration Mitigation for Rail Transportation Systems: Proceedings of the 13th International Workshop on Railway Noise, 16-20 September 2019, Ghent, Belgium
• Serial:
  • Notes on Numerical Fluid Mechanics and Multidisciplinary Design
  • Volume: 150
  • Publisher: Springer-Verlag
  • ISSN: 1612-2909
  • Serial URL: http://www.springer.com/series/4629

Subject/Index Terms

• TRT Terms: Environmental impacts; Mechanical vibration; Noise sources; Railroads; Rolling contact; Soil structure interaction
• Subject Areas: Construction; Environment; Railroads; Vehicles and Equipment;

Filing Info

• Accession Number: 01874288
• Record Type: Publication
• ISBN: 9783030702885
• Files: TRIS
• Created Date: Feb 23 2023 9:31AM