BSI PD CEN/TS 15427-2-2:2023

$167.15

Railway applications. Wheel/rail friction management – Properties and characteristics. Top of rail materials

Published By	Publication Date	Number of Pages
BSI	2023	42

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This document specifies the requirements of materials intended to be applied to the interface between the wheel tread and the rail crown (active interface). It can be applied either directly or indirectly to the wheel tread or rail. It outlines the information required for most approval procedures, the method of testing and routine control/monitoring of the material. This document does not deal with adhesion materials, for example: – sand; – adhesion enhancers.

PDF Catalog

PDF Pages	PDF Title
2	undefined
9	1 Scope 2 Normative references
10	3 Terms and definitions
12	4 Design requirements 5 Technical specification and product approval 5.1 Introduction 5.2 Product specification
13	5.3 Technical file 6 Control and monitoring of product 6.1 Manufacturing process 6.2 Composition of material 6.3 Routine tests 6.4 Additional measures 7 Technical datasheet 7.1 General 7.2 Liquid based material characteristics
14	7.3 Solid based material characteristics 8 Packaging, labelling and storage
15	Annex A (normative)Requirements for top of rail materials and testing A.1 Explanation of Annex A: Tables A.1 to A.3 A.2 Key to Annex A table columns A.3 Key to Annex A table column ‘Use’
21	Annex B (informative)Determination of the volatile constituents in liquid Top of Rail Materials B.1 Purpose B.2 Short description B.3 Conditions for testing B.3.1 Test conditions B.3.2 Required testing and measuring equipment B.4 Test process B.4.1 Preparation of test
22	B.4.2 Performance of test B.4.3 Evaluation B.5 Recording of test results
23	Annex C (informative)Functional test on specific equipment C.1 General C.2 Sprayability of liquid top of rail materials C.2.1 Purpose C.2.2 Short description C.2.3 Conditions for testing C.2.3.1 Test conditions C.2.3.2 Required testing and auxiliary equipment
24	C.2.3.3 Devices/equipment C.2.4 Test process C.2.4.1 Preparation of test C.2.4.2 Performance of test C.2.4.3 Evaluation and reporting of test
25	Annex D (informative)Twin-disc machine retentivity and coefficient of traction test D.1 Purpose D.2 Description D.3 Conditions for test D.3.1 Test conditions D.3.2 Twin discs
26	D.3.3 Performance of the test
27	D.3.4 Evaluation of the test
29	Annex E (informative)Twin-disc machine test for determining Creep force vs Creep rate curve (for solid sticks comparable to Mini Traction Machine (MTM) test) E.1 Purpose
30	E.2 Description E.3 Conditions for test E.3.1 Test conditions E.3.2 Twin discs E.3.3 Test process example
32	E.3.4 Evaluation of the test
34	Annex F (informative)Mini Traction Machine (MTM) creep curve test F.1 General F.1.1 Purpose F.1.2 Background information F.2 Test equipment
35	F.3 Application of top of rail material to metal disk
37	F.4 Performance of the test
38	F.5 Evaluation of the test