Railway applications - Wheel/rail friction management - Part 2-3: Properties and Characteristics - Adhesion materials

This document specifies the requirements of adhesion 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 Top of Rail materials. For Top of Rail materials see CEN/TS 15427 2 2:2023.

Bahnanwendungen - Reibungsmanagement zwischen Rad und Schiene - Teil 2-3: Eigenschaften und Merkmale - Kraftschlusserhöhende Materialien

Dieses Dokument legt die Anforderungen an kraftschlusserhöhende Materialien für die Anwendung auf der Kontaktfläche zwischen Radlauffläche und Fahrfläche der Schiene (aktive Kontaktfläche) fest. Diese können direkt oder indirekt auf die Radlauffläche oder die Schiene angewendet werden.
Es beschreibt die erforderlichen Informationen für die meisten Genehmigungsverfahren, das Prüfverfahren und die regelmäßige Kontrolle/Überwachung des Materials.
Dieses Dokument behandelt keine Kraftschlussmodifikatoren. Zu Kraftschlussmodifikatoren siehe CEN/TS 15427 2 2:2023.

Applications ferroviaires - Gestion des frottements roue/rail - Partie 2-3 : Propriétés et caractéristiques - Matériaux pour restauration d'adhérence

Le présent document spécifie les exigences applicables aux matériaux pour restauration d'adhérence destinés à être appliqués sur l'interface entre la bande de roulement de la roue et la tête de rail (interface active). Ils peuvent être appliqués directement ou indirectement, sur la bande de roulement ou sur le rail.
Le présent document précise également les informations nécessaires à la plupart des procédures de validation, la méthode d'essai et les tâches de contrôle/surveillance de routine du matériau.
Le présent document ne traite pas des lubrifiants de tête de rail. Pour les lubrifiants de tête de rail, se reporter à la CEN/TS 15427 2 2:2023.

Železniške naprave - Trenje na stiku kolo-tirnica - 2-3. del: Lastnosti in karakteristike - Lepilni materiali

Ta dokument določa zahteve lepilnih materialov, namenjenih za uporabo na vmesniku med kolesnim obročem in zgornjim robom tirnice (aktivni vmesnik). Uporabljati ga je mogoče posredno ali neposredno za kolesni obroč oziroma tirnico.
Podaja informacije, ki se zahtevajo pri večini postopkov odobritve, preskusno metodo in rutinsko kontrolo/spremljanje materiala.
Dokument ne obravnava materialov za zgornjo površino tirnic. Za tovrstne materiale glej standard FprCEN/TS 15427-2-2:2023.

General Information

Status
Published
Publication Date
17-Oct-2023
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
18-Oct-2023
Due Date
03-Sep-2023
Completion Date
18-Oct-2023

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SLOVENSKI STANDARD
01-december-2023
Nadomešča:
SIST-TS CEN/TS 15427-2-3:2021
Železniške naprave - Trenje na stiku kolo-tirnica - 2-3. del: Lastnosti in
karakteristike - Lepilni materiali
Railway applications - Wheel/rail friction management - Part 2-3: Properties and
Characteristics - Adhesion materials
Bahnanwendungen - Reibungsmanagement zwischen Rad und Schiene - Teil 2-3:
Eigenschaften und Merkmale - Kraftschlusserhöhende Materialien
Applications ferroviaires - Gestion des frottements roue/rail - Partie 2-3 : Propriétés et
caractéristiques - Matériaux pour restauration d'adhérence
Ta slovenski standard je istoveten z: CEN/TS 15427-2-3:2023
ICS:
45.040 Materiali in deli za železniško Materials and components
tehniko for railway engineering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TS 15427-2-3
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
October 2023
TECHNISCHE SPEZIFIKATION
ICS 45.040 Supersedes CEN/TS 15427-2-3:2021
English Version
Railway applications - Wheel/rail friction management -
Part 2-3: Properties and Characteristics - Adhesion
materials
Applications ferroviaires - Gestion du frottement Bahnanwendungen - Reibungsmanagement zwischen
roue/rail - Parte 2-3: Propriétés et Caractéristiques - Rad und Schiene - Teil 2-3: Eigenschaften und
Matériau d'Adhésion Merkmale - Kraftschlusserhöhende Materialien
This Technical Specification (CEN/TS) was approved by CEN on 23 July 2023 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to
submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS
available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in
parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 15427-2-3:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Adhesion material requirements . 6
5 Technical specification and approval of product . 7
5.1 Introduction . 7
5.2 Product specification . 7
5.3 Technical file . 7
6 Control and monitoring of product . 8
6.1 Manufacturing process . 8
6.2 Composition of material . 8
6.3 Routine tests . 8
6.4 Additional measures . 8
7 Technical datasheet. 8
7.1 General . 8
7.2 Dry particle material characteristics . 8
7.3 Traction gel characteristics . 8
8 Packaging, labelling and storage . 8
Annex A (normative) Requirements for adhesion material and testing . 10
Annex B (informative) Functional test of dry particles on specific equipment . 16
Annex C (informative) Functional test of traction gels on specific equipment . 19
Bibliography . 22

European foreword
This document (CEN/TS 15427-2-3:2023) has been prepared by Technical Committee
CEN/TC 256 “Railway Applications”, the secretariat of which is held by DIN.
Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights. CEN shall not be held responsible for identifying any or all such
patent rights.
This document supersedes CEN/TS 15427-2-3:2021.
This document has been prepared under a Standardization Request addressed to CEN by the
European Commission.
This document is part of the following series:
— EN 15427-1-1, Railway applications - Wheel/Rail friction management - Part 1-1:
Equipment and Application – Flange lubrication
— CEN/TS 15427-1-2, Railway applications - Wheel/Rail friction management - Part 1-2:
Equipment and Application – Top of Rail materials
— CEN/TS 15427-1-3, Railway applications - Wheel/Rail friction management - Part 1-3:
Equipment and Application – Adhesion materials
— EN 15427-2-1, Railway applications - Wheel/Rail friction management - Part 2-1:
Properties and Characteristics – Flange lubricants
— CEN/TS 15427-2-2, Railway applications - Wheel/Rail friction management - Part 2-2:
Properties and Characteristics – Top of Rail materials
— CEN/TS 15427-2-3, Railway applications - Wheel/Rail friction management - Part 2-3:
Properties and Characteristics – Adhesion materials
— CEN/prTR 15427-3, Railway applications - Wheel/Rail friction management - Part 3:
Rationale for requirements and further background information
Any feedback and questions on this document should be directed to the users’ national
standards body. A complete listing of these bodies can be found on the CEN website.
According to the CEN/CENELEC Internal Regulations, the national standards organisations
of the following countries are bound to announce this Technical Specification: Austria,
Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia,
Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United Kingdom.
Introduction
Friction management using solid or fluid (oil, grease, etc.) substances at the wheel-rail
interface is a complex subject and includes the following aspects:
— lubrication of the wheel flange/ rail gauge corner interface, commonly referred to as
“flange or rail lubrication”;
— lubrication of the back of flange/ check rail interface; commonly referred to as “check
rail lubrication”;
— controlling the level of friction at the interface between the top of rail and the wheel
tread, commonly referred to as “top of rail friction management”;
— altering the level of adhesion at the interface between the top of rail and the wheel tread.
This document sets out requirements for the material to be used for adhesion management.
It specifies requirements for the material, how to test it and how to approve it.
The adhesion material should be tested to confirm there is:
— compatibility with top of rail systems;
— no intolerable increased risk of fire;
— no harmful environmental effects;
— no incompatibility between the different materials in use, particularly between solid and
fluid systems;
— satisfactory and consistent product quality and performance;
— no degradation to the safety of the railway (braking, signalling, derailment).
The main purpose of an adhesion material is to condition the wheel/ rail contact to either
prevent the occurrence of slipping or sliding or to enable recovery of traction/ braking where
slipping or sliding occurs.
1 Scope
This document specifies the requirements of adhesion 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 Top of Rail materials. For Top of Rail materials see
CEN/TS 15427-2-2:2023.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
EN 933-1, Tests for geometrical properties of aggregates - Part 1: Determination of particle size
distribution - Sieving method
EN 1097-3, Tests for mechanical and physical properties of aggregates - Part 3: Determination
of loose bulk density and voids
EN 1097-6, Tests for mechanical and physical properties of aggregates - Part 6: Determination
of particle density and water absorption
EN 1097-5, Tests for mechanical and physical properties of aggregates - Part 5: Determination
of the water content by drying in a ventilated oven
EN 1744-1, Tests for chemical properties of aggregates - Part 1: Chemical analysis
EN 13755, Natural stone test methods - Determination of water absorption at atmospheric
pressure
ISO 2049, Petroleum products - Determination of colour (ASTM scale)
ISO 6072, Rubber - Compatibility between hydraulic fluids and standard elastomeric materials
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1
adhesion material
substance that is used to either prevent the occurrence of slipping or sliding or to enable
recovery of traction/ braking where slipping or sliding occurs
3.2
batch
entire content of a single identified production of material from the same manufacturing
process
3.3
active interface
contact area between the wheel tread and the crown of the rail
Note 1 to entry: For more information on this definition, see CEN/TS 15427-2-3.
3.4
trainborne equipment
type of equipment that delivers product to the active interface installed on a train
3.5
trackside equipment
type of equipment that delivers product to the active interface installed on or adjacent to the
track
3.6
customer
railway undertaking, infrastructure manager, manufacturer or buyer of railway products or
subassemblies, or their representative
3.7
supplier
provider of equipment, material and/or support services
Note 1 to entry: A supplier might also be the manufacturer of the product.
3.8
product specification
document defining other or additional requirements not defined in this standard
Note 1 to entry: Usually this is produced by and agreed between the customer and/or the supplier
or even a railway undertaking or an infrastructure manager and can be an accompaniment to
contractual requirements.
3.9
dry particles
conglomeration of discrete solid macroscopic particles with low moisture content
3.10
traction gel
traction enhancing product which can be pumped and applied as a fluid, and it consists of a
suspension of solid traction enhancing particles in a liquid or gel
4 Adhesion material requirements
The adhesion material shall be designed to either reduce the occurrence of slipping or sliding
or to enhance recovery of traction/ braking where slipping or sliding occurs.
Different materials may be used for traction/ braking.
When applied within the specified limits to the active interface the material shall not
compromise the safety of the railway (e.g. braking distance, signalling systems, derailment).
NOTE 1 See Annex A.
NOTE 2 Specified
...

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