Comparative analysis of the dynamic amplifications due to inhomogeneities at railway transition zones

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ransition zones in railway tracks experience strong amplification of stress and strain fields due to the passage of train over inhomogeneity. The inhomogeneity in these zones can be attributed to changes in mechanical properties of material along the longitudinal direction of the track, and to displacement/traction discontinuities at interfaces leading to an amplified response in railway transition zones (TZ) with respect to the open tracks. In this paper, different kinds of inhomogeneities are considered in isolation and in combination to study the effects on railway track components in transition zone. The first type of inhomogeneity considered is non-uniformity of materials at various levels of the track along the longitudinal direction. The second type of inhomogeneity that will be considered arises from displacement and traction discontinuities at the interface of soil and structure and at the interface of sleepers and ballast (hanging sleepers). The results provide necessary insight for the design of effective mitigation measures to prevent the amplified response in railway TZ.
Original languageEnglish
Title of host publicationProceedings of The Fifth International Conference on Railway Technology: Research, Development and Maintenance
EditorsJ. Pombo
Place of PublicationEdinburgh, UK
PublisherCivil-Comp Press
Number of pages9
VolumeCCC 1
Publication statusPublished - 2023

Publication series

NameCivil-Comp Conferences
PublisherCivil-Comp Press
ISSN (Electronic)2753-3239


  • railway transition zones
  • finite element analysis
  • track components
  • stress amplification


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