1、BSI Standards PublicationBS EN 13146-4:2012Railway applications Track Test methods for fasteningsystemsPart 4: Effect of repeated loadingBS EN 13146-4:2012+A1:2014BS EN 13146-4:2012+A1:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13146-4:2012+A1:2014. It
2、 supersedes BS EN 13146-4:2012 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by .The UK partici
3、pation in its preparation was entrusted to Technical Committee RAE/2, Railway Applications - Track.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are resp
4、onsible for its correct application. The British Standards Institution 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 82229 2ICS 45.080Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standard
5、s Policy and Strategy Committee on 30 April 2012.Amendments/corrigenda issued since publicationDate Text affected30 November 2014 Implementation of CEN amendment A1:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13146-4:2012+A1 November 2014 ICS 93.100 Supersedes EN 13146-4:2012English Ver
6、sion Railway applications - Track - Test methods for fastening systems - Part 4: Effect of repeated loading Applications ferroviaires - Voie - Mthodes dessai pour les systmes de fixation - Partie 4: Effets produits par des charges rptitives Bahnanwendungen - Oberbau - Prfverfahren fr Schienenbefesti
7、gungssysteme - Teil 4: Dauerschwingversuch This European Standard was approved by CEN on 26 November 2011 and includes Amendment 1 approved by CEN on 25 September 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European S
8、tandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (Eng
9、lish, 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,
10、 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, Slovakia, Slovenia, Spain, Sweden, Switzerlan
11、d, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Mem
12、bers. Ref. No. EN 13146-4:2012+A1:2014 EEN 13146-4:2012+A1:2014 (E) 2 Contents Page Foreword 3 1 Scope. 4 2 Normative references 4 3 Terms and definitions, symbols and abbreviations . 5 3.1 Terms and definitions 5 3.2 Symbols and abbreviations 5 4 Principle 6 5 Apparatus . 6 5.1 Rail . 6 5.2 Actuato
13、r 6 5.3 Load application head . 6 5.4 Displacement measuring instruments . 6 5.5 Force measuring instruments 6 5.6 Verification of calibration 7 6 Test specimens 7 6.1 Sleeper or other rail support . 7 6.2 Fastening 7 7 Procedure for one rail 7 7.1 General 7 7.2 Preparation for test 8 7.2.1 In line
14、fastening 8 7.2.2 Offset fastening 8 7.3 Clamping force . 8 7.4 Longitudinal rail restraint 8 7.5 Vertical static stiffness of fastening assembly . 8 7.6 Cyclic loading . 9 7.7 Repeat tests 12 7.8 Final inspection 12 8 Alternative test procedure. 12 8.1 General 12 8.2 Apparatus . 12 8.2.1 General 12
15、 8.2.2 Loading frame 12 8.3 Procedure . 13 8.3.1 General 13 8.3.2 Preparation for test 13 8.3.3 Clamping force . 14 8.3.4 Longitudinal rail restraint 14 8.3.5 Vertical stiffness 14 8.3.6 Cyclic loading . 14 8.3.7 Repeat tests 14 8.3.8 Final inspection 14 9 Test report 14 BS EN 13146-4:2012+A1:2014EN
16、 13146-4:2012+A1:2014 (E)EN 13146-4:2012+A1:2014 (E) 2 Contents Page Foreword 3 1 Scope. 4 2 Normative references 4 3 Terms and definitions, symbols and abbreviations . 5 3.1 Terms and definitions 5 3.2 Symbols and abbreviations 5 4 Principle 6 5 Apparatus . 6 5.1 Rail . 6 5.2 Actuator 6 5.3 Load ap
17、plication head . 6 5.4 Displacement measuring instruments . 6 5.5 Force measuring instruments 6 5.6 Verification of calibration 7 6 Test specimens 7 6.1 Sleeper or other rail support . 7 6.2 Fastening 7 7 Procedure for one rail 7 7.1 General 7 7.2 Preparation for test 8 7.2.1 In line fastening 8 7.2
18、.2 Offset fastening 8 7.3 Clamping force . 8 7.4 Longitudinal rail restraint 8 7.5 Vertical static stiffness of fastening assembly . 8 7.6 Cyclic loading . 9 7.7 Repeat tests 12 7.8 Final inspection 12 8 Alternative test procedure. 12 8.1 General 12 8.2 Apparatus . 12 8.2.1 General 12 8.2.2 Loading
19、frame 12 8.3 Procedure . 13 8.3.1 General 13 8.3.2 Preparation for test 13 8.3.3 Clamping force . 14 8.3.4 Longitudinal rail restraint 14 8.3.5 Vertical stiffness 14 8.3.6 Cyclic loading . 14 8.3.7 Repeat tests 14 8.3.8 Final inspection 14 9 Test report 14 EN 13146-4:2012+A1:2014 (E) 3 Foreword This
20、 document (EN 13146-4:2012+A1:2014) has been prepared by Technical Committee CEN/TC 256 “Railway applications”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the lates
21、t by May 2015, and conflicting national standards shall be withdrawn at the latest by May 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such paten
22、t rights. This document supersedes !EN 13146-4:2002“. This document includes Amendment 1 approved by CEN on 2014-09-25. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. This document has been prepared under a mandate given to CEN by the European Co
23、mmission and the European Free Trade Association. In this revision of EN 13146-4:2002 the procedure has been modified for application to embedded rail. This European Standard is one of the series EN 13146 “Railway applications Track Test methods for fastening systems“ which consists of the following
24、 parts: Part 1: Determination of longitudinal rail restraint; Part 2: Determination of torsional resistance; Part 3: Determination of attenuation of impact loads; Part 4: Effect of repeated loading; Part 5: Determination of electrical resistance; Part 6: Effect of severe environmental conditions; Pa
25、rt 7: Determination of clamping force; Part 8: In service testing; Part 9: Determination of stiffness. These support the requirements in the series EN 13481 “Railway applications Track Performance requirements for fastening systems“. According to the CEN/CENELEC Internal Regulations, the national st
26、andards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
27、 Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13146-4:2012+A1:2014EN 13146-4:2012+A1:2014 (E)EN 13146-4:2012+A1:2014 (E) 4 1 Scope This European Standard specifies a laboratory test procedure f
28、or applying repeated displacement cycles representative of the displacements caused by traffic on railway track. It is used for assessing the long term performance of direct fastening systems. The procedure is applicable to surface mounted rail on sleepers, bearers and slab track, and embedded rail.
29、 This test procedure applies to a complete fastening assembly. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the
30、 latest edition of the referenced document (including any amendments) applies. !EN 13146-1:2012+A1:2014“, Railway applications Track Test methods for fastening systems Part 1: Determination of longitudinal rail restraint EN 13146-7:2012, Railway applications Track Test methods for fastening systems
31、Part 7: Determination of clamping force EN 13146-9:2009, Railway applications Track Test methods for fastening systems Part 9: Determination of stiffness EN 13481-1:2012, Railway applications Track Performance requirements for fastening systems Part 1: Definitions EN 13481-2:2012, Railway applicatio
32、ns Track Performance requirements for fastening systems Part 2: Fastening systems for concrete sleepers EN 13481-3:2012, Railway applications Track Performance requirements for fastening systems Part 3: Fastening systems for wood sleepers EN 13481-4:2012, Railway applications Track Performance requi
33、rements for fastening systems Part 4: Fastening systems for steel sleepers EN 13481-5:2012, Railway applications Track Performance requirements for fastening systems Part 5: Fastening systems for slab track with rail on the surface or rail embedded in a channel EN 13481-7:2012, Railway applications
34、Track Performance requirements for fastening systems Part 7: Special fastening systems for switches and crossings and check rails EN ISO 7500-1:2004, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of the f
35、orce-measuring system (ISO 7500-1:2004) EN ISO 9513:2002, Metallic materials Calibration of extensometers used in uniaxial testing (ISO 9513:1999) BS EN 13146-4:2012+A1:2014EN 13146-4:2012+A1:2014 (E)EN 13146-4:2012+A1:2014 (E) 4 1 Scope This European Standard specifies a laboratory test procedure f
36、or applying repeated displacement cycles representative of the displacements caused by traffic on railway track. It is used for assessing the long term performance of direct fastening systems. The procedure is applicable to surface mounted rail on sleepers, bearers and slab track, and embedded rail.
37、 This test procedure applies to a complete fastening assembly. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the
38、 latest edition of the referenced document (including any amendments) applies. !EN 13146-1:2012+A1:2014“, Railway applications Track Test methods for fastening systems Part 1: Determination of longitudinal rail restraint EN 13146-7:2012, Railway applications Track Test methods for fastening systems
39、Part 7: Determination of clamping force EN 13146-9:2009, Railway applications Track Test methods for fastening systems Part 9: Determination of stiffness EN 13481-1:2012, Railway applications Track Performance requirements for fastening systems Part 1: Definitions EN 13481-2:2012, Railway applicatio
40、ns Track Performance requirements for fastening systems Part 2: Fastening systems for concrete sleepers EN 13481-3:2012, Railway applications Track Performance requirements for fastening systems Part 3: Fastening systems for wood sleepers EN 13481-4:2012, Railway applications Track Performance requi
41、rements for fastening systems Part 4: Fastening systems for steel sleepers EN 13481-5:2012, Railway applications Track Performance requirements for fastening systems Part 5: Fastening systems for slab track with rail on the surface or rail embedded in a channel EN 13481-7:2012, Railway applications
42、Track Performance requirements for fastening systems Part 7: Special fastening systems for switches and crossings and check rails EN ISO 7500-1:2004, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of the f
43、orce-measuring system (ISO 7500-1:2004) EN ISO 9513:2002, Metallic materials Calibration of extensometers used in uniaxial testing (ISO 9513:1999) EN 13146-4:2012+A1:2014 (E) 5 3 Terms and definitions, symbols and abbreviations 3.1 Terms and definitions For the purposes of this document, the terms a
44、nd definitions given in EN 13481-1:2012 apply. 3.2 Symbols and abbreviations For the purposes of this document, the following symbols apply. angle between the load line and a line normal to the running surface of the rails, in degrees; F maximum axial longitudinal load on the rail without non-elasti
45、c displacement occurring, in kN; FSAmax force applied to assembly in measurement of static stiffness of assembly, in kN; L lateral component of force transmitted by the wheel to the rail head as shown in Figure 1, in kN; PLcomponent of force parallel to the running surface of the rails in kN; PVcomp
46、onent of force normal to the running surface of the rails, in kN; V vertical component of load transmitted by the wheels to the running surface at the rail head as shown in Figure 1, in kN; X position of the line of application of PLbelow the centre of curvature of the gauge corner of the rail head
47、as shown in Figure 1, in mm. NOTE 1 = tanVLPPVLNOTE 2 Running surface is defined in EN 13481-1:2012. Key 1 centre of gauge corner radius 2 line of load application Figure 1 Position of load application BS EN 13146-4:2012+A1:2014EN 13146-4:2012+A1:2014 (E)EN 13146-4:2012+A1:2014 (E) 6 4 Principle A c
48、onstant amplitude, cyclic force is applied by a single actuator at a predetermined load line and position on the rail head. The load, position and line of application to be used are determined from the vertical stiffness of the fastening assembly, axle loads and curve conditions of the track for whi
49、ch the fastening assembly is being tested. Performance is determined by the change in clamping force, longitudinal rail restraint, vertical stiffness and rail position, and visual inspection of the components during test. 5 Apparatus 5.1 Rail Short lengths of rail (approximately 0,5 m per rail seat or longer if required), of the section for which the fastening assembly under test is designed. The rail shall be unlamin
