Authorization Concept in the 4th Railway Package

Kireva-Mihova, Denitsa P.; Mirchev, K.; Boyadjiev, Borislav

doi:10.1109/icest52640.2021.9483560

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The Rail As a Component Of The Track Superstructure Rail Wear1

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2023

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“…Therefore, a risk-based approach is recommended when making decisions in this regard. The application of the Common Safety Method for Risk Assessment is analyzed in [6].…”

Section: The Rail As a Component Of The Track Superstructure Rail Wearmentioning

confidence: 99%

Analysis of the impact of rail head wear on railway superstructure stability

Mirchev,

Lepoev

2023

IOP Conf. Ser.: Mater. Sci. Eng.

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Continuous welded rail track (CWR) is a superstructure construction of the railway that withstands significant compressive forces from the longitudinal extension of the rails due to temperature changes, ensuring the safe railway operation. The applicable for the Bulgarian railway system methodology for determining the critical compressive force at which the CWR loses stability has been examined. Different types of rails with their respective design parameters, important for the force calculation, have been taken into consideration. The considered design parameters, as moment of inertia and sectional modulus of the rails, change during operation due to the rail head wear. The aim of the article is to examine specific examples of railway tracks on curves, analyzing the impact of the changed operational design parameters of the rail on the stability of the track. The operational and geometric parameters of the railway track have been considered.

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“…Therefore, a risk-based approach is recommended when making decisions in this regard. The application of the Common Safety Method for Risk Assessment is analyzed in [6].…”

Section: The Rail As a Component Of The Track Superstructure Rail Wearmentioning

confidence: 99%