Publication result detail

Continuous Welded Rail in Curves of Small Radii

CHUDĚJOVÁ, L.; PLÁŠEK, O.; MURÍNOVÁ, K.; KOUDELOVÁ, K.; JEDLIČKA, M.

Original Title

Continuous Welded Rail in Curves of Small Radii

English Title

Continuous Welded Rail in Curves of Small Radii

Type

Paper in proceedings (conference paper)

Original Abstract

This paper provides a comprehensive review of the theory of continuous welded rail (CWR) mechanics and summarizes research results published to date with a focus on the stability of continuous welded rail. Axial forces arise mainly due to temperature changes and can cause rail crack in low winter temperatures or track buckling in high summer temperatures. The results of static analyses of the stability of CWR for small radii are presented. Reduced stability is typical of curves of small radius (R < 300 m) where the lateral resistance of the track and the bending stiffness are exceeded. In curves of very small radii, lateral displacements of the track have been observed which reduce the axial forces in the track and thus reduce the risk of track buckling.

English abstract

This paper provides a comprehensive review of the theory of continuous welded rail (CWR) mechanics and summarizes research results published to date with a focus on the stability of continuous welded rail. Axial forces arise mainly due to temperature changes and can cause rail crack in low winter temperatures or track buckling in high summer temperatures. The results of static analyses of the stability of CWR for small radii are presented. Reduced stability is typical of curves of small radius (R < 300 m) where the lateral resistance of the track and the bending stiffness are exceeded. In curves of very small radii, lateral displacements of the track have been observed which reduce the axial forces in the track and thus reduce the risk of track buckling.

Keywords

Continuous welded rail, stability of continuous welded rail, track buckling, small radius directional curves

Key words in English

Continuous welded rail, stability of continuous welded rail, track buckling, small radius directional curves

Authors

CHUDĚJOVÁ, L.; PLÁŠEK, O.; MURÍNOVÁ, K.; KOUDELOVÁ, K.; JEDLIČKA, M.

RIV year

2025

Released

07.05.2024

Publisher

Vysoké učení technické v Brně,Fakulta stavební

Location

Brno

ISBN

978-80-86433-83-7

Book

Juniorstav 2024: Proceedings 26th International Scientific Conference Of Civil Engineering

Edition

1

Pages from

1

Pages to

12

Pages count

12

URL

https://hdl.handle.net/11012/245419

BibTex

@inproceedings{BUT196720,
  author="Ludmila {Chudějová} and Otto {Plášek} and Klára {Murínová} and Kateřina {Koudelová} and Michal {Jedlička}",
  title="Continuous Welded Rail in Curves of Small Radii",
  booktitle="Juniorstav 2024: Proceedings 26th International Scientific Conference Of Civil Engineering",
  year="2024",
  series="1",
  number="1",
  pages="1--12",
  publisher="Vysoké učení technické v Brně,Fakulta stavební",
  address="Brno",
  doi="10.13164/juniorstav.2024.24014",
  isbn="978-80-86433-83-7",
  url="https://hdl.handle.net/11012/245419"
}