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Determination of the optimal curvature of the turnout diverging track for HSR using dynamic analysis
Abstrakt
The paper presents an analytical method of identifying the curvature of the turnout diverging track consisting of sections of varying curvature. Such turnout is mainly applied on High Speed Railway. Both linear and nonlinear (polynomial) curvatures of the turnout diverging track are considered in the paper. Obtained solutions enable to assume curvature values at the beginning and end point of the geometrical layout of the turnout.The paper focus on a fundamental and unexplained so far issue connected with selection of the most favourable curvature section from the operational requirements point of view. In order to determine the optimal curvature a dynamic analysis has been carried out on the several representative cases. It has been indicated that, used in railway practice, clothoid sections with nonzero curvatures at the beginning and end points of the turnout should be verified. It has been proved that the turnout with nonlinear curvature reaching zero values at the extreme points of the geometrical layout is the most favourable.
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- Wersja publikacji
- Accepted albo Published Version
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
- Opublikowano w:
-
Przegląd Komunikacyjny
strony 1 - 11,
ISSN: 0033-2232 - Język:
- angielski
- Rok wydania:
- 2017
- Opis bibliograficzny:
- Koc W., Palikowska K.: Determination of the optimal curvature of the turnout diverging track for HSR using dynamic analysis// Przegląd Komunikacyjny. -., nr. 10 (2017), s.1-11
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 124 razy