Abstract and keywords
Abstract (English):
Purpose: to consider the problem of wave-shaped depreciation of rails on tram transport. A review of research on the problem of wave-shaped wear of rails and current regulatory documentation. The study of modern methods of combating wave-like wear and measures to prevent or reduce its manifestation. Understanding the causes and mechanisms of rail corrugation in order to develop effective strategies and measures to ensure the safety and reliability of tram services, increase the service life of infrastructure and reduce the cost of its maintenance and repair. Methods: analysis of scientific literature and research papers on the topic of rail corrugation. Generalization and systematization of information about the causes of wave-like wear, its effect on the operation of the wheel-rail system and methods of combating it. Description of the historical aspects of studying the problem of wave-like wear and modern approaches to its solution. Identification and analysis of measures aimed at reducing corrugation and improving the efficiency of tram transport. Presentation of recommendations on improving the regulatory framework and improving the safety of tram traffic. Results: the causes of rail corrugation are summarized, its features are considered. The need to improve the regulatory framework for the maintenance of tramways is indicated. Measures are given to extend the service life of rails and prevent the development of corrugation. Practical importance: the article is a systematic study of the problem of wave-shaped depreciation of rail in tram transport, which can be used by specialists in this field to develop effective methods of rationing this phenomenon and combating it. The results obtained can also be useful for students and teachers of transport universities studying the issues of operation and maintenance of rail transport.

Keywords:
tram, wave-shaped wear, rail corrugation, grinding of rails, milling of rails, track maintenance
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References

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