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Computer-aided evaluation of the railway track geometry on the basis of satellite measurements

Abstract

In recent years, all over the world there has been a period of intensive development of GNSS (Global Navigation Satellite Systems) measurement techniques and their extension for the purpose of their applications in the field of surveying and navigation. Moreover, in many countries a rising trend in the development of rail transportation systems has been noticed. In this paper, a method of railway track geometry assessment based on mobile satellite measurements is presented. The paper shows the implementation effects of satellite surveying railway geometry. The investigation process described in the paper is divided on two phases. The first phase is the GNSS mobile surveying and the analysis obtained data. The second phase is the analysis of the track geometry using the flat coordinates from the surveying. The visualization of the measured route, separation and quality assessment of the uniform geometric elements (straight sections, arcs), identification of the track polygon (main directions and intersection angles) are discussed and illustrated by the calculation example within the article.

Citations

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Details

Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
Open Engineering no. 6, edition 1, pages 125 - 134,
ISSN: 2391-5439
Language:
English
Publication year:
2016
Bibliographic description:
Specht C., Koc W., Chrostowski P.: Computer-aided evaluation of the railway track geometry on the basis of satellite measurements// Open Engineering. -Vol. 6., iss. 1 (2016), s.125-134
DOI:
Digital Object Identifier (open in new tab) 10.1515/eng-2016-0017
Verified by:
Gdańsk University of Technology

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