《BS EN 13232-8-2007 Railway applications. Track. Switches and crossings. Expansion devices.pdf》由会员分享，可在线阅读，更多相关《BS EN 13232-8-2007 Railway applications. Track. Switches and crossings. Expansion devices.pdf（38页珍藏版）》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 13232-8:2007 Railway applications Track Switches and crossings Part 8: Expansion devices The European Standard EN 13232-8:2007 has the status of a British Standard ICS 45.080 BS EN 13232-8:2007 This British Standard was published under the authority of the Standards Policy and
2、 Strategy Committee on 30 April 2007 BSI 2007 ISBN 978 0 580 50592 8 National foreword This British Standard was published by BSI. It is the UK implementation of EN 13232-8:2007. The UK participation in its preparation was entrusted by Technical Committee RAE/2, Railway track components, to Panel RA
3、E/2/-/3, Track design parameters, switches and crossings. 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 responsible for its correct application. Com
4、pliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13232-8 March 2007 ICS 45.080 English Version Railway applications - Track - Switches and crossings - Part 8:
5、Expansion devices Applications ferroviaires - Voie - Appareils de voie - Partie 8: Appareils de dilatation Bahnanwendungen - Oberbau - Weichen und Kreuzungen - Teil 8: Auszugsvorrichtungen This European Standard was approved by CEN on 17 February 2007. CEN members are bound to comply with the CEN/CE
6、NELEC Internal Regulations which stipulate the conditions for giving this European Standard 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 Management Centre or to a
7、ny CEN member. This European Standard exists 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 Management Centre has the same status as the official versions
8、. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain
9、, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2007 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Me
10、mbers. Ref. No. EN 13232-8:2007: E EN 13232-8:2007 (E) 2 Contents Page Foreword3 Introduction.5 1 Scope 6 2 Normative references6 3 Terms and definitions .6 3.1 General definitions 6 3.2 Main types of expansion devices.8 4 Design.12 4.1 Design inputs .12 4.2 Design rules .13 4.2.1 General rules13 4.
11、2.2 Wheel/rail interaction 14 4.2.3 Specific rules14 4.3 Performance requirements.16 4.4 Materials .16 4.5 Design output.16 4.5.1 Detailed component plans16 4.5.2 Assembly documents16 5 Tolerances and inspection .16 5.1 General16 5.2 Tools and instruments 17 5.3 Critical dimensions17 5.4 Adjustment
12、switch (bayonet type).17 5.5 Expansion switch.22 5.6 Certification31 5.7 Methods of examination for structural defects 31 5.7.1 Visual 31 5.7.2 Dye penetrant and/or magnetic particle31 6 Longitudinal resistance testing32 6.1 Test method32 6.2 Test results.32 7 Acceptance testing32 8 Limits and exten
13、t of supply33 9 Identification marks.33 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 96/48/EC of the European Parliament and of the Council of the 23 July 1996 on the interoperability of the trans-European high-speed rail system, a
14、s modified by EU Directive 2004/50/EC of 29 April 2004 34 ? EN 13232-8:2007 (E) 3 Foreword This document (EN 13232-8:2007) 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 nati
15、onal standard, either by publication of an identical text or by endorsement, at the latest by September 2007, and conflicting national standards shall be withdrawn at the latest by September 2007. This European Standard has been prepared under a mandate given to CEN/CENELEC/ETSI by the European Comm
16、ission and the European Free Trade Association to support Essential Requirements of EU Directives 96/48, as modified by EU Directive 2004/50 of 29 April 2004. For relationship between this document and the Essential Requirements of EU Directive 96/48/EC of the European Parliament and of the Council
17、of 23 July 1996 on the interoperability of the trans-European high- speed rail system, as modified by EU Directive 2004/50/EC of 29 April 2004, see informative Annex ZA, which is an integral part of this document. This series of standards “ Railway applications Track Switches and crossings” covers t
18、he design and quality of switches and crossings in flat bottomed rail. The list of Parts is as follows: Part 1: Definitions Part 2: Requirements for geometric design Part 3: Requirements for wheel/rail interaction Part 4: Actuation, locking and detection Part 5: Switches Part 6: Fixed common and obt
19、use crossings Part 7: Crossings with moveable parts Part 8: Expansion devices Part 9: Layouts Part 1 contains terminology used throughout all parts of the standard. Parts 2 to 4 contain basic design guides and are applicable to all switch and crossing assemblies. The latter parts, from 5 onwards, de
20、al with particular types of equipment, including their tolerances. Part 9 defines the functional and geometric dimensions and tolerances for layout assemblies. These use Parts 1 to 4 as a basis. The following terms are used within to define the parties involved in using the EN as the technical basis
21、 for a transaction: Customer The Operator or User of the equipment, or the Purchaser of the equipment on the Users behalf. Supplier The body responsible for the use of the EN in response to the Customers requirements. ? EN 13232-8:2007 (E) 4 According to the CEN/CENELEC Internal Regulations, the nat
22、ional standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
23、 Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. ? EN 13232-8:2007 (E) 5 Introduction An expansion device is a device which permit longitudinal relative rail movement of two adjacent rails, while maintaining correct guidance and support. These longitudin
24、al movements may be required in: a) interrupted CWR (continuously welded rail); b) structure movement; c) or a combination of both. ? EN 13232-8:2007 (E) 6 1 Scope This part of EN 13232 covers the following subjects: to establish a working terminology for expansion devices, for their constituent par
25、ts and for the types; to specify the minimum manufacturing requirements for expansion devices and their constituent parts; to formulate codes of practice for inspection and tolerances; to define the method by which expansion devices and their parts should be identified and traced. 2 Normative refere
26、nces The following referenced documents are indispensable for the application 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 13146-1, Railway applications Track Test
27、methods for fastening systems Part 1: Determination of longitudinal rail restraint EN 13232-2, Railway applications Track Switches and crossings Part 2: Requirements for geometric design EN 13232-3, Railway applications Track Switches and crossings Part 3: Requirements for wheel/rail interaction EN
28、13232-9, Railway applications Track Switches and crossings Part 9: Layouts EN 13715, Railway applications Wheelsets and bogies Wheels Wheels tread UIC 510-2, Trailing stock: wheels and wheelsets Conditions concerning the use of wheels of various diameters 3 Terms and definitions For the purposes of
29、this document, the following terms and definitions apply. 3.1 General definitions 3.1.1 hand (of half set) adjustment switch (bayonet type) LH (left hand) half set or RH (right hand) when viewed standing in the track gauge and facing the tips of the inside rails. With check rails, there may be two L
30、H or two RH half sets, see Figure 6, or opposite hand half sets 3.1.2 hand (of half set) expansion switch LH half set or a RH half set when viewed standing in the track gauge and facing the toes of the expansion switch 3.1.3 expansion capacity C maximum permissible relative longitudinal movement bet
31、ween the two rails, where: C = Dmax Dmin ? EN 13232-8:2007 (E) 7 Key Key Dmin minimum gap Dmax maximum gap Figure 1 Closed position Figure 2 Open position 3.1.4 relative displacement rail / support maximum permissible relative longitudinal movement between the rail (switch or stock rail) and the cor
32、responding support (base plate or bearer) 3.1.5 mean position position where the expansion capacity and the relative displacement of rails are half way, and the bearers are in their nominal position 3.1.6 design position nominal position where the expansion capacity and the relative displacement of
33、rails are half way, especially where shrinkage of concrete structures, for example, will shift the mean position Key Dmin minimum gap Dmax maximum gap M mean position Figure 3 Mean position ? EN 13232-8:2007 (E) 8 3.2 Main types of expansion devices 3.2.1 adjustment switch (bayonet type) expansion d
34、evice with interruption of the running edge 3.2.1.1 Adjustment switch without check rails (both sides moveable) Key 1 slide chair 4 moveable rails 2 low restrain fastening 5 bearer straps 3 standard fastening R reference point Figure 4 Adjustment switch both sides moveable ? EN 13232-8:2007 (E) 9 3.
35、2.1.2 Adjustment switch without check rails (one side moveable) Key 1 slide chair 5 fixed rails 2 low restrain fastening 6 bearer straps 3 standard fastening R reference point 4 moveable rails Figure 5 Adjustment switch one side moveable ? EN 13232-8:2007 (E) 10 3.2.1.3 Adjustment switch with check
36、rails (both sides moveable) Key 1 slide chair 5 check rails 2 low restrain fastening 6 bearer strap 3 standard fastening R reference point 4 moveable rails Figure 6 Adjustment switch with check rails both sides moveable ? EN 13232-8:2007 (E) 11 3.2.1.4 Adjustment switch with check rails (one side mo
37、veable) Key 1 slide chair 5 fixed rails 2 low restrain fastening 6 check rails 3 standard fastening 7 bearer strap 4 moveable rails R reference point Figure 7 Adjustment switch with check rails one side moveable 3.2.2 expansion switch expansion device without interruption of the running edge 3.2.2.1
38、 Expansion switch with moveable stock rails Key 1 slide chair 5 fixed switch rails 2 low restrain fastening 6 bearer strap 3 standard fastening R reference point 4 moveable stock rails Figure 8 Expansion switch moveable stock rails ? EN 13232-8:2007 (E) 12 3.2.2.2 Expansion switch with moveable swit
39、ch rails Key 1 slide chair 5 moveable switch rails 2 low restrain fastening 6 bearer strap 3 standard fastening R reference point 4 fixed stock rails Figure 9 Expansion switch moveable switch rails 3.2.2.3 Expansion switch both sides moveable Key 1 slide chair 5 moveable switch rails 2 low restrain
40、fastening 6 bearer strap 3 standard fastening R reference point 4 moveable stock rails Figure 10 Expansion switch both sides moveable 4 Design 4.1 Design inputs The following information shall be supplied by the customer to the supplier: axle load; gross annual tonnage; ? EN 13232-8:2007 (E) 13 trai
41、n speed; nominal track gauge; direction of traffic; track geometry. In addition the customer shall decide: the type of expansion device to be applied; the expansion capacity of the expansion device as well as the maximum displacement rail/support. If the latter is not provided, it shall be estimated
42、 to be half the expansion capacity of the device; the basic rail section and grade; the rail inclination to be applied through the expansion device; the fastening system to be applied; the nominal support spacing; type of support structure, e.g. bearer, slab track; special requirements, e.g. limits
43、of vertical and horizontal end rotations, limits of local vertical and horizontal radii of track, limits of uplift movements on rail supports adjacent to the gap between the structure and the abutment or between the structures. The following elements shall be agreed between customer and supplier: th
44、e special rail profiles to be applied for the construction (if applicable); the constructional length; the machining details of the rail sections; the maximum support spacing in service. 4.2 Design rules 4.2.1 General rules 4.2.1.1 Support panel In the case where 1 side is moveable, a number of bear
45、ers shall be restrained from moving. This is normally a minimum of four bearers. The incoming rails shall have low resistance fastenings on the restrained bearers to permit movement of the moveable rails. All restrained bearers are linked to each other. This can be achieved by the use of a bearer st
46、rap, guard rail, continuous base plate etc. In the case when both sides are moveable, the bearers shall be restrained from moving by means of a steel strap. This is to ensure bearer distance does not change and prohibits the bearers from moving from their nominal position during operation and/or mai
47、ntenance. ? EN 13232-8:2007 (E) 14 4.2.1.2 Low restraint fastenings The fastening restraint shall in any case be smaller than the longitudinal restraint of the bearer in the ballast. The creep resistance shall be between 0 and 5 kN per base plate. This resistance shall be checked in accordance with
48、EN 13146-1. 4.2.1.3 Slide chairs The slide chair shall permit the movement of one or both rails, while offering guidance to the switch and/or stock rail depending on the type used, with resistance in the range 0 to 5 kN. The resistance shall be checked in accordance with EN 13146-1. 4.2.1.4 Total lo
49、ngitudinal resistance The total longitudinal resistance of the expansion device shall be limited in order to permit thermal forces to be reduced at the end of the adjacent track panels. In the case of a prototype the total longitudinal resistance shall be demonstrated as described in 6.1. For curved e