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Satellite inventory of tram track geometrical layout

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In the paper a methodology of restoring of railway track’s geometrical shape in a horizontal plane on the base of conducted mobile satellite surveying was presented. The authors proposed a calculating algorithm for designing the track sections placed in horizontal arcs. In the algorithm an analytical methodology with mathematical formulas is applied. The procedure has an universal character, i.e. provides the possibility of varying both the length and types of the transition curves. The calculation algorithm is implemented in the author's computer program. In that program, the identification process of existing arc parameters takes place in the defined system of track's main directions. After that, new values of parameters of obtained layout are estimated in an optimization process in which the assumed criteria concerns the minimization of displacements of the existing track . The estimation of the arc's parameters provides a base for the calculation of the main data for the track axis alignment project. In a such project it is also possible to apply the proposed calculation method with the presented in the paper analytical formulas. However, unlike to the case of the track axis identification process, this time the second criterion was proposed. This criterion is a train velocity what provides a possibility of obtaining the optimal adjustment project from the view point of a track's exploitation.

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Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Tytuł wydania:
13th International Conference & Exhibition RAILWAY ENGINEERING 2015 strony 1 - 9
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Specht C., Koc W., Chrostowski P., Szmagliński J.: Satellite inventory of tram track geometrical layout// 13th International Conference & Exhibition RAILWAY ENGINEERING 2015/ Edinburgh: Engineering Technics Press, 2015, s.1-9
Weryfikacja:
Politechnika Gdańska

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