Evaluation of railway trackbed and formation: a case study

Matthew Brough; Alan Stirling; Gurmel Ghataora; Keith Madelin; Christopher Rogers; David Chapman

doi:10.1016/S0963-8695(02)00053-1

Evaluation of railway trackbed and formation: a case study

Matthew Brough, Alan Stirling, Gurmel Ghataora, Keith Madelin, Christopher Rogers, David Chapman

Civil Engineering

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

To determine the causes of poor track geometry, a trackbed investigation should comprise a full assessment of ballast, sub-ballast and formation condition. If information about any of these layers is omitted, the true cause of poor formation sites cannot be ascertained satisfactorily and consequently appropriate ground improvement schemes may not be implemented. This has been observed in the UK rail network with examples of a lack of detailed site investigation and subsequent expensive remedial work being carried out without eliminating the initial cause of the problem. This paper summarises the trackbed investigation performed at a site requiring high maintenance, suspected as being caused by poor formation. The paper concludes with an analysis of ground conditions and possible choice of remedial schemes. (C) 2003 Elsevier Science Ltd. All rights reserved.

Original language	English
Pages (from-to)	145-156
Number of pages	12
Journal	NDT & E International
Volume	36
Issue number	3
Early online date	30 Jan 2003
DOIs	https://doi.org/10.1016/S0963-8695(02)00053-1
Publication status	Published - 1 Apr 2003

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Evaluation of railway trackbed and formation: a case study

Abstract

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