prEN 17318-1

Railway applications - Infrastructure - Plastic sleepers and bearers - Part 1: General requirements

This part of the EN xxxxx series defines the technical criteria and control procedures which need to be satisfied by the constituent materials and the finished plastic sleepers and bearers.
The main requirement of plastic sleepers and bearers is transmission of vertical, lateral and longitudinal loads from the rails to the ballast or other support. In use they are also exposed to environmental and chemical impacts, which could be detrimental to sleeper performance.
The tests defined in this standard provide assurance of the capability of sleepers or bearers to resist repetitive loading and provide sufficient durability. In addition, controls are placed on manufacturing processes and tests to ensure that the plastic will not suffer degradation in service through chemical reaction and frost damage.
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Bahnanwendungen - Infrastruktur - Gleis- und Weichenschwellen aus Kunststoff - Teil 1: Allgemeine Anforderungen

Applications ferroviaires - Infrastructure - Traverses et supports en plastique - Partie 1 : Exigences générales

Železniške naprave - Infrastruktura - Plastični pragi in kretniški plastični pragi - 1. del: Splošne zahteve

General Information

• Status: Not Published
• Publication Date: 19-Jul-2020
• Withdrawal Date: 19-Jan-2021
• ICS: 45.080 - Rails and railway components
• Technical Committee: CEN/TC 256 - Railway applications
• Drafting Committee: CEN/TC 256/SC 1/WG 16 - Sleepers and bearers
• Current Stage: 3098 - Decision to reject - Consensus building
• Completion Date: 13-Sep-2019
• Directive: 2008/57/EC - Directive 2008/57/EC of the European Parliament and of the Council of 17 June 2008 on the interoperability of the rail system within the Community (Recast)
• Directive: 2016/797/EU - Directive (EU) 2016/797 of the European Parliament and of the Council of 11 May 2016 on the interoperability of the rail system within the European Union (Text with EEA relevance)
• Mandate: M/483 - Mandate for programming and standardisation addressed to the European standardisation bodies under directive 2008/57/EC in the field of the interoperability of the rail system within the European Union
• Ref Project: oSIST prEN 17318-1:2019 - Railway applications - Infrastructure - Plastic sleepers and bearers - Part 1: General requirements

Standards Content (Sample)

SLOVENSKI STANDARD
01-februar-2019
äHOH]QLãNHQDSUDYH,QIUDVWUXNWXUD3ODVWLþQLSUDJLLQNUHWQLãNLSODVWLþQLSUDJL
GHO6SORãQH]DKWHYH
Railway applications - Infrastructure - Plastic sleepers and bearers - Part 1: General
requirements
Bahnanwendungen - Infrastruktur - Gleis- und Weichenschwellen aus Kunststoff - Teil 1:
Allgemeine Anforderungen
Applications ferroviaires - Infrastructure - Traverses et supports en plastique - Partie 1 :
Exigences générales
Ta slovenski standard je istoveten z: prEN 17318-1
ICS:
45.080 7UDþQLFHLQåHOH]QLãNLGHOL Rails and railway
components
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2018
ICS 45.080
English Version
Railway applications - Infrastructure - Plastic sleepers and
bearers - Part 1: General requirements
Applications ferroviaires - Infrastructure - Traverses et Bahnanwendungen - Infrastruktur - Gleis- und
supports en plastique - Partie 1 : Exigences générales Weichenschwellen aus Kunststoff - Teil 1: Allgemeine
Anforderungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17318-1:2018 E
worldwide for CEN national Members.

Contents
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and symbols . 7
3.1 Terms and definitions . 7
3.2 Symbols . 10
4 General Characteristics . 12
4.1 General . 12
4.2 Geometrical design and tolerances . 12
4.3 Mass . 14
4.4 Surface finish . 14
4.5 Loading. 15
4.5.1 Loads . 15
4.5.2 Load distribution . 15
4.6 Characteristic bending moments . 15
4.7 Ecodesign . 15
5 Quality control . 16
5.1 General . 16
5.2 Quality control during design approval tests . 16
5.3 Quality control during manufacturing . 17
6 Documentation . 17
6.1 General . 17
6.2 Data to be supplied by the purchaser . 17
6.3 Data to be provided by the supplier . 18
6.3.1 Before the design approval tests . 18
6.3.2 After the design approval tests . 18
6.3.3 Prior to start-up of production. 18
6.4 Marking . 18
7 Product testing . 18
7.1 General . 18
7.2 Tests on product . 19
7.2.1 General . 19
7.2.2 Bending resistance . 19
7.2.3 Thermal expansion . 23
7.2.4 Fire. 23
7.3 Tests on material characteristics . 23
7.3.1 Chemical resistance and compatibility . 23
7.3.2 Environmental resistance . 23
7.3.3 Environmental compatibility . 23
7.3.4 Mechanical properties . 24
7.4 Interface between the rail and the sleeper . 24
7.4.1 Permanent deformation of screw/insert in function of temperature . 24
7.4.2 Tests in combination with the fastening system . 24
7.5 Additional tests for consideration . 24
7.5.1 Fitness for contact with ballast . 24
Annex A (informative) Definition and recommendation for measurement of rail seat
inclination and twist between rail seats . 26
Annex B (informative) Design Methods and Factors . 27
B.1 General . 27
B.1.1 Introduction. 27
B.1.2 Determination of characteristic bending moments . 27
B.1.3 The determination of test bending moments . 28
B.2 Rail seat load . 30
B.2.1 Normal service increment for the dynamic wheel load . 30
B.2.2 Distribution of vertical loads in longitudinal direction . 30
B.2.2.1 Theoretical distribution . 30
B.2.2.2 Effect of support faults . 32
B.2.3 Attenuation effects of elastic rail pads and of elastic sleeper body . 33
B.2.4 Calculation of the dynamic rail seat load . 33
B.3 Characteristic bending moments . 33
B.3.1 General . 33
B.3.2 Calculation using the elastic beam on elastic foundation . 33
B.3.3 Load distribution for the rail seat load . 34
B.3.4 Rail seat section . 35
B.3.4.1 Positive bending moment . 35
B.3.4.2 Negative bending moment. 36
B.3.5 Sleeper centre section . 36
B.3.5.1 Negative bending moment. 36
B.3.5.2 Positive bending moment . 37
B.4 Test bending moments . 38
B.4.1 Increased service load level . 38
B.4.2 Exceptional loads . 38
B.4.3 Accidental loads .
...