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Research paper | Open Access

Development of rail technology for high speed railway in China

FengShou Liu, Guang Yang( ), Zhaoyang Chen, Yinhua Zhang, Qingyue Zhou
Metals and Chemistry Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing, China
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Abstract

Purpose

The purpose of this paper is to summarize the status and characteristics of rail technology of high-speed railway in China, and point out the development direction of rail technology of high-speed railway.

Design/methodology/approach

This study reviews the evolution of high-speed rail standards in China, comparing their chemical composition, mechanical attributes and geometric specifications with EN standards. It delves into the status of rail production technology, shifts in key performance indicators and the quality characteristics of rails. The analysis further examines the interplay between wheels and rails, the implementation of grinding technology and the techniques for inspecting rail service conditions. It encapsulates the salient features of rail operation and maintenance within the high-speed railway ecosystem. The paper concludes with an insightful prognosis of high-speed railway technology development in China.

Findings

The rail standards of high-speed railway in China are scientific and advanced, highly operational and in line with international standards. The quality and performance of rail in China have reached the world’s advanced level. The 60N profile guarantees the operation quality of wheel–rail interaction effectively. The rail grinding technology system scientifically guarantees the long-term good service performance of the rail. The rail service state detection technology is scientific and efficient. The rail technology will take “more intelligent” and “higher speed” as the development direction to meet the future needs of high-speed railway in China.

Originality/value

The development direction of rail technology for high-speed railway in China is defined, which will promote the continuous innovation and breakthrough of rail technology.

Keywords

High speed railwayRailWheel–rail interactionIntelligent operation and maintenance

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Railway Sciences
Volume 2 Issue 4,
November 2023
Pages 431-446
DOI: 10.1108/RS-08-2023-0026
Cite this article:
Liu F, Yang G, Chen Z, et al. Development of rail technology for high speed railway in China. Railway Sciences, 2023, 2(4): 431-446. https://doi.org/10.1108/RS-08-2023-0026

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Received: 14 August 2023
Revised: 20 September 2023
Accepted: 21 September 2023
Published: 02 November 2023
© FengShou Liu, Guang Yang, Zhaoyang Chen, Yinhua Zhang and Qingyue Zhou. Published in Railway Sciences.

This article is published under the Creative Commons Attribution (CC BY 4.0) licence. Anyone may reproduce, distribute, translate and create derivative works of this article (for both commercial and non-commercial purposes), subject to full attribution to the original publication and authors. The full terms of this licence may be seen at http://creativecommons.org/licences/by/4.0/legalcode
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