SOFTLY, SOFTLY UNDER THE CITY

This article describes the process of selecting the type of track most suitable to minimise environmental noise and vibration in the tunnel of the high-speed Channel Tunnel Rail Link's section under the city of London, UK. No high-speed railway in a tunnel has previously been designed to control ground-borne noise and vibration to such a degree and over such a long distance. Floating slab track was not acceptable in this location and is not proven for high-speed lines. A noise and vibration prediction model was developed and from this a trackwork acoustic performance specification was identified. Three levels of mitigation performance were defined for sections of the track. Detailed review of suppliers selected twelve systems for further analysis: acoustic modelling showed that the levels of mitigation required could be achieved using booted blocks or sleepers and designated levels of acoustic stiffness.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/issn/03735346
• Corporate Authors:

  Reed Business Information, Limited

  Quadrant House, The Quadrant
  Brighton Road
  Sutton, Surrey  United Kingdom  SM2 5AS
• Authors:
  • BENNETT, D R
  • BUSH, D J
  • GREER, R J
• Publication Date: 2003-9

Language

• English

Media Info

• Pagination: p. 575-8
• Serial:
  • Railway Gazette International
  • Volume: 159
  • Issue Number: 9
  • Publisher: DVV Media Group
  • ISSN: 0373-5346
  • Serial URL: http://www.railwaygazette.com/about-us.html

Subject/Index Terms

• TRT Terms: Evaluation and assessment; High speed ground transportation; High speed vehicles; Mathematical models; Noise; Prevention; Railroad tracks; Speed; Urban areas; Vibration
• Geographic Terms: United Kingdom
• ITRD Terms: 9020: Evaluation (assessment); 1163: High speed; 6473: Mathematical model; 2492: Noise; 9149: Prevention; 1062: Railway track; 8119: United Kingdom; 313: Urban area; 5558: Vibration
• Subject Areas: Environment; Planning and Forecasting; Railroads; Security and Emergencies;

Filing Info

• Accession Number: 00968960
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD
• Created Date: Feb 6 2004 12:00AM