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BSI PD CEN/TR 16513:2014

BSI PD CEN/TR 16513:2014

$102.76

Railway applications. Track. Survey of track geometry quality

Published By Publication Date Number of Pages
BSI 2014 22
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CEN/TC 256/SC 1/WG 28 “Railway applications/Infrastructure/Track geometry quality” conducted a survey of the geometric quality of track across European railway networks. This was to get an understanding and overview of the track geometry across Europe in order to support the definition of track geometric quality classes for the writing of EN 13848-6.

This Technical Report describes the methodology used for the survey and gives the results.

PDF Catalog

PDF Pages PDF Title
4 Contents Page
5 Foreword
6 1 Scope
2 Terms and definitions
3 Symbols and abbreviations
Table 1 — Symbols and abbreviations
7 4 Methodology
4.1 General considerations and confidentiality
4.2 Collected data
4.2.1 Scope of survey
4.2.2 Speed classes applied
8 4.2.3 Calculation of standard deviation
4.2.4 Calculation of cumulative frequency distributions
4.3 Data processing
5 Participating networks and involvement
5.1 Participating networks
9 5.2 Sample size of track data
Table 2 — Sample size of track data for each speed class
6 Results
6.1 Results for standard deviation of longitudinal level
10 Figure 1 — ETQS results for longitudinal level SDLL
11 Figure 2 — Spread of 90 % percentile for longitudinal level SDLL
6.2 Results for standard deviation of alignment
12 Figure 3 — ETQS results for alignment SDAL
13 Figure 4 — Spread of 90 % percentile for alignment SDAL
6.3 Observation on results
14 Table 3 — Track length for QN levels
7 Application of the results to EN 13848-6
15 Annex A (informative) Tables for cumulative frequency distributions for average track quality of all participating networks
Table A.1 — ETQs results for longitudinal level SDLL and alignment SDAL
16 Table A.1 (continuous)
17 Annex B (informative) Spread of data collected
Figure B.1 — Spread of 50 % percentile for longitudinal level SDLL
18 Figure B.2 — Spread of 50 % percentile for alignment level SDAL
19 Bibliography

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BSI PD CEN/TR 16513:2014
$102.76