1、BS EN13230-2:2009ICS 45.080; 91.100.30; 93.100NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDRailway applications Track Concretesleepers and bearersPart 2: Prestressed monoblock sleepersCopyright European Committee for Standardization Provided by IHS under lice
2、nse with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-This British Standardwas published under theauthority of the StandardsPolicy and StrategyCommittee on 30 June2009. BSI 2009ISBN 978 0 580 58846 4Amendments/corrigenda issued since publicationDate CommentsB
3、S EN 13230-2:2009National forewordThis British Standard is the UK implementation of EN 13230-2:2009. Itsupersedes BS EN 13230-2:2002 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee RAE/2, Railway track components.A list of organizations represented on t
4、his committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunityfrom legal obligations.Copyright European Commit
5、tee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 13230-2:2009EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 13230-2June 2009ICS 91.100.30; 93.100 Supersedes EN 13230-2:2002 English VersionRailway
6、 applications - Track - Concrete sleepers and bearers -Part 2: Prestressed monoblock sleepersApplications ferroviaires - Voie - Traverses et supports enbton - Partie 2 : Traverses monoblocs prcontraintesBahnanwendungen - Oberbau - Gleis- undWeichenschwellen aus Beton - Teil 2: Spannbeton-Monoblocksc
7、hwellenThis European Standard was approved by CEN on 14 May 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical re
8、ferences concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member
9、into its own language and notified to the CEN Management Centre has the same status as theofficial versions.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
10、, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009
11、 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13230-2:2009: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,
12、-BS EN 13230-2:2009EN 13230-2:2009 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Definitions 54 Product testing .54.1 General 54.2 Test arrangements .54.2.1 Symbols 54.2.2 Rail seat section.64.2.3 Centre section 84.3 Test procedures .94.3.1 Test loads .94.3.2 Static
13、 test . 104.3.3 Dynamic test 144.3.4 Fatigue test 154.4 Acceptance criteria . 174.4.1 General . 174.4.2 Static test . 174.4.3 Dynamic test 184.4.4 Fatigue test 184.4.5 Values of coefficients . 184.5 Design approval tests 184.5.1 General . 184.5.2 Bending moments evaluation 184.5.3 Concrete 194.5.4 P
14、roduct inspection . 194.5.5 Fastening system 194.6 Routine tests . 194.6.1 General . 194.6.2 Static rail seat positive load test . 194.6.3 Concrete 195 Manufacturing rules 19Annex A (normative) Detailed drawings of the test arrangements . 21A.1 Articulated support . 21A.2 Resilient pad 22A.3 Tapered
15、 packing . 23Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2008/57/EC . 24Bibliography . 28Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted
16、without license from IHS-,-,-BS EN 13230-2:2009EN 13230-2:2009 (E) 3 Foreword This document (EN 13230-2:2009) 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,
17、either by publication of an identical text or by endorsement, at the latest by December 2009, and conflicting national standards shall be withdrawn at the latest by December 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CE
18、N and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 13230-2:2002. This European Standard is one of the series EN 13230 “Railway applications Track Concrete sleepers and bearers“, which consist of the following parts: Part 1: Gener
19、al requirements Part 2: Prestressed monoblock sleepers Part 3: Twin-block reinforced sleepers Part 4: Prestressed bearers for switches and crossings Part 5: Special elements This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Associatio
20、n, and supports essential requirements of EC Directive 2008/57/EC. For relationship with EC Directive 2008/57/EC, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries a
21、re 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, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Swe
22、den, Switzerland and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 13230-2:2009EN 13230-2:2009 (E) 4 Introduction This part of EN 13230 defines the sp
23、ecific requirements dedicated to prestressed monoblock sleepers. These are additional requirements to EN 13230-1 and are necessary to have a complete standard dealing with prestressed monoblock sleepers. Copyright European Committee for Standardization Provided by IHS under license with CENNot for R
24、esaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 13230-2:2009EN 13230-2:2009 (E) 5 1 Scope This part of EN 13230 defines additional technical criteria and control procedures related to designing and manufacturing prestressed monoblock sleepers. 2 Normative references T
25、he 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 206-1, Concrete Part 1: Specification, performa
26、nce, production and conformity EN 13230-1:2009, Railway applications Track Concrete sleepers and bearers Part 1: General requirements 3 Terms and definitions For the purposes of this part 2 of EN 13230, the terms and definitions given in EN 13230-1:2009 and the following apply: 3.1 pretensioned mono
27、block sleeper sleeper manufactured using pre-tensioned tendons 3.2 post-tensioned monoblock sleeper sleeper manufactured using post-tensioned tendons 4 Product testing 4.1 General This section defines the testing regime and rules for the acceptance of concrete sleepers. 4.2 Test arrangements 4.2.1 S
28、ymbols The symbols used in this European Standard are listed in Table 1. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 13230-2:2009EN 13230-2:2009 (E) 6 Table 1 Symbols S
29、ymbol DesignationFr0Positive initial reference test load for the rail seat section in kN FrrPositive test load which produces first crack formation at the bottom of the rail seat section in kN Fr0,05Maximum test load for which a crack width of 0,05 mm at the bottom of rail seat section persists afte
30、r removal of the load in kN Fr0,5Maximum test load for which a crack width of 0,5 mm at the bottom of the rail seat section persists after removal of the load in kN FrBMaximum positive test load at the rail seat section which cannot be increased in kN Frulower test load for the rail seat section dyn
31、amic test; Fru= 50 kN Fc0Positive initial reference test load at the centre section of the sleeper in kN Fc0nNegative initial reference test load at the centre section of the sleeper in kN FcrPositive test load which produces first crack formation at the centre of the sleeper in kN FcrnNegative test
32、 load which produces first crack formation at the centre of the sleeper in kN FcBMaximum positive test load at the centre section which cannot be increased in kN FcBnMaximum negative test load at the centre section which cannot be increased in kN LpDesign distance between the centre line of the rail
33、 seat to the edge of the sleeper at the bottom, in m LrDesign distance between the articulated supports centre lines for the test arrangement at the rail seat section, in m LcDesign distance between centre lines of the rail seat, in m Mdr Positive design bending moment at rail seat, in kNm MdcnNegat
34、ive design bending moment at centre section, in kNm k1sStatic coefficient to be used for calculation of Fr0,05test load k2sStatic coefficient to be used for calculation of Fr0,5or FrBtest load k1dDynamic coefficient to be used for calculation of Fr0,05test load k2dDynamic coefficient to be used for
35、calculation of Fr0,5or FrBtest load k3Static coefficient to be used for calculation of FrBat the end of fatigue test 4.2.2 Rail seat section The arrangement for the rail seat positive load test is shown in Figure 1, the value of Lrin relation to Lpis detailed in Table 2. The load Fr is applied perpe
36、ndicularly to the base of the sleeper. The end of the sleeper opposite to the end being tested shall be unsupported. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 13230-2
37、:2009EN 13230-2:2009 (E) 7 Key 1 Rigid support 2 Articulated support (see Annex A for details) 3 Resilient pad (see Annex A for details) 4 Prestressed monoblock sleeper 5 Standard rail pad as defined by the purchaser 6 Tapered packing (see Annex A for details) 7 Lateral stop and base plate, only whe
38、n required by the purchaser Figure 1 Test arrangement at the rail seat section for the positive load test Table 2 Value of Lr in relation to LpLpin m Lrin m LpFr0If the non mandatory part of the test is carried out, then Fr0,05 k1s Fr0FrB k2s Fr04.4.2.2 Centre section The acceptance criterion is: Fc
39、rn Fc0nIf the non-mandatory test for positive bending moment at the centre section is required, the purchaser shall specify the acceptance criteria. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without li
40、cense from IHS-,-,-BS EN 13230-2:2009EN 13230-2:2009 (E) 18 4.4.3 Dynamic test The acceptance criteria for the dynamic test at the rail seat section are as follows: a) Fr0,05 k1d Fr0; b) FrB k2d Fr0or Fr0,5 k2d Fr0(according to the requirements of the purchaser). 4.4.4 Fatigue test The acceptance cr
41、iteria for the fatigue test at the rail seat section after 2106cycles are as follows: a) crack width is 0,1 mm when loaded at Fr0; b) crack width is 0,05 mm when unloaded; c) FrB k3 Fr0. When load at the rail seat section is continuously increased at a rate of 120 KN/min from unloaded condition unti
42、l failure FrB, coefficient k3shall be provided by the purchaser. 4.4.5 Values of coefficients The coefficients k1and k2are defined in EN 13230-1:2009, 4.3.1. 4.5 Design approval tests 4.5.1 General The design approval tests to be carried out on the sleeper and concrete comprise the tests already def
43、ined in this standard. All test results shall meet the acceptance criteria. Each sleeper shall be used for one test only. 4.5.2 Bending moments evaluation These tests are carried out in accordance with the test arrangements in 4.2 and the test procedures in 4.3. 4.5.2.1 Static tests a) rail seat sec
44、tion: on 6 sleepers (one rail seat per sleeper), for the positive bending moment; b) centre section: 3 sleepers for the negative bending moment; 3 sleepers for the positive bending moment (optional test carried out at the request of the purchaser). 4.5.2.2 Dynamic test rail seat section: on 6 sleepe
45、rs (one rail seat per sleeper), for the positive bending moment. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 13230-2:2009EN 13230-2:2009 (E) 19 4.5.2.3 Fatigue test (op
46、tional test carried out at the request of the purchaser) rail seat section: one rail seat for the positive bending moment. 4.5.3 Concrete The properties of the concrete shall be established in accordance with EN 206-1. 4.5.4 Product inspection Product inspection shall be carried out on all sleepers
47、required for design approval tests including dimensions and tolerances in accordance with EN 13230-1:2009, Table 1, and the surface finish of the sleeper in accordance with EN 13230-1:2009, 6.3. 4.5.5 Fastening system Test shall be carried out in accordance with the European standards on fastenings
48、systems as referenced in EN 13230-1 or as required by the purchaser (see EN 13230-1:2009, 4.4.1). 4.6 Routine tests 4.6.1 General The routine tests are carried out in order to find any variation in the quality of the concrete sleeper, leading to an unacceptable quality level. The number of samples and rates of tests shall be given in the quality plan for the manufacturing unit. The routine tests to be carried
