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BS EN 13231-2:2020

BS EN 13231-2:2020

$198.66

Railway applications. Track. Acceptance of works – Acceptance of reprofiling rails in plain line, switches, crossings and expansion devices

Published By Publication Date Number of Pages
BSI 2020 62
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This document defines the technical requirements and measurements for the acceptance of works for longitudinal and/or transverse reprofiling of railway rail heads in plain line, switches and crossings and expansion devices.

This document applies to Vignole rails of 46 kg/m and above according to EN 13674?1.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
15 4 Longitudinal profile
4.1 Principle
4.2 Measurements required
16 4.3 Acceptance criteria for longitudinal profile
4.3.1 General
4.3.2 Peak-to-peak limit
17 5 Transverse profile
5.1 Principle
5.2 Areas in switches and crossings which are limited for reprofiling
5.3 Measurements required
18 5.4 Acceptance criteria for the transverse profile
19 6 Metal removal
6.1 Measurements required
6.2 Acceptance criteria for metal removal
20 7 Surface quality
8 Visual appearance: acceptance criteria
9 Rolling contact fatigue
21 Annex A (normative)Calculation of peak-to-peak values
A.1 Calculation of the percentage of exceedances
23 Annex B (normative)Method of periodic verification
B.1 Method of periodic verification of approved instruments
B.1.1 Principle
B.2 Longitudinal profile
B.2.1 General
B.2.2 Static verifications
B.2.2.1 Verification of measuring transducers
24 B.2.2.2 Verification of processing chain
B.2.2.3 Documents of verification
B.2.3 Dynamic verification
B.2.3.1 General
B.2.3.2 Comparison of dynamic behaviour
B.2.3.3 Comparison of statistical results
25 B.3 Transverse profile
B.3.1 Principle
B.3.2 Static verifications
B.3.2.1 Verification of probes and processing chain
B.3.2.2 Documents of verification
26 B.3.3 Dynamic verification
27 B.3.4 Report
30 Annex C (normative)Procedures to verify reference instruments
C.1 Longitudinal profile
C.1.1 Principle
C.1.2 Calibration beam
32 C.1.3 Coordinate measuring machine (CMM)
C.1.4 Measurement of the calibration beam using the CMM
C.1.5 Data analysis
C.1.6 Measurement of the calibration beam using the test instrument
C.1.7 Data analysis using the test instrument
C.1.8 Acceptance criteria for reference instruments
C.1.9 Characteristic of the test site
33 C.1.10 Test procedure
35 C.1.11 Odometer approval
C.1.12 Measurement approval
38 C.1.13 Test report
C.2 Transverse profile
C.2.1 Principle
C.2.2 Calibration jig
C.2.3 Coordinate measuring machine (CMM)
39 C.2.4 Calibration jig verification
C.2.5 Rail measurements using the test instrument
C.2.6 Acceptance of test instruments
C.2.7 Test report
40 Annex D (normative)Procedures to demonstrate correlation of approved and reference instruments
D.1 Longitudinal profile
D.1.1 Principle
D.1.2 Characteristics of the test sites
D.1.3 Measurements required
41 D.1.4 Data analysis
D.1.5 Acceptance criteria for approved instruments
D.1.5.1 General
42 D.1.5.2 Acceptance criteria for peak-to-peak measurements
D.1.6 Test report
43 D.2 Transverse profile
D.2.1 Principle
D.2.2 Characteristics of the test sites
44 D.2.3 Measurements required
D.2.4 Data analysis
51 D.2.5 Acceptance criteria for approved instruments
D.2.6 Test report
D.3 Surface quality
D.3.1 Principle
52 D.3.2 Characteristics of the test sites
D.3.3 Measurements required
D.3.4 Data analysis
53 Annex E (normative)Calculation of cumulative density function and power spectral density (PSD) of the amplitude of the longitudinal profile
E.1 Calculation of cumulative density function of the amplitude of the longitudinal profile
55 E.2 Calculation of the power spectral density of the amplitude of the longitudinal profile
57 Annex F (normative)Rail surface quality measurement
F.1 Requirements
F.2 Calculation of the quality index (QI)
58 F.3 Verification of the functional capability
F.4 Verification of the functional capability
59 F.5 Coordinate measuring machine (CMM)
F.6 Measurement of the comparison standard using the CMM
F.7 Analysis of data from CMM
F.8 Measurement of the comparison standard using the test instrument
F.9 Maximum deviation between test instrument and CMM

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BS EN 13231-2:2020
$198.66