BS EN 13230-2-2016 Railway applications Track Concrete sleepers and bearers Prestressed monoblock sleepers《轨道交通 钢轨 混凝土轨枕及轨座 预应力整体轨枕》.pdf

1、BS EN 13230-2:2016Railway applications Track Concrete sleepers and bearersPart 2: Prestressed monoblock sleepersBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 13230-2:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13

2、230-2:2016.It supersedes BS EN 13230-2:2009 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee RAE/2, Railway Applications - Track.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not pu

3、rport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2016. Published by BSI StandardsLimited 2016ISBN 978 0 580 84750 9ICS 45.080; 91.100.30; 93.100Compliance with a British Standard cannot confer immunity fro

4、mlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2016.Amendments issued since publicationDate Text affectedBS EN 13230-2:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13230-2 May 2016 ICS 91.100.30; 93.100 S

5、upersedes EN 13230-2:2009English Version Railway applications - Track - Concrete sleepers and bearers - Part 2: Prestressed monoblock sleepers Applications ferroviaires - Voie - Traverses et supports en bton - Partie 2 : Traverses monoblocs prcontraintes Bahnanwendungen - Oberbau - Gleis- und Weiche

6、nschwellen aus Beton - Teil 2: Spannbeton-Monoblockschwellen This European Standard was approved by CEN on 4 March 2016. 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 withou

7、t 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 (English, French, German). A version in any other la

8、nguage 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, Denm

9、ark, 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, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE

10、FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13230-2:2016 EBS EN 13230-2:201

11、6EN 13230-2:2016 (E) 2 Contents Page European foreword . 3 Introduction 4 1 Scope 5 2 Normative references 5 3 Terms, definitions and symbols . 5 3.1 Terms and definitions . 5 3.2 Symbols . 6 4 Product testing . 7 4.1 General 7 4.2 Test arrangements 7 4.2.1 Rail seat section . 7 4.2.2 Centre section

12、 . 8 4.3 Test procedures . 9 4.3.1 Test loads . 9 4.3.2 Static test . 10 4.3.3 Dynamic test 14 4.3.4 Fatigue test . 16 4.4 Acceptance criteria 17 4.4.1 General . 17 4.4.2 Static test . 17 4.4.3 Dynamic test 18 4.4.4 Fatigue test . 18 4.5 Design approval tests . 18 4.5.1 General . 18 4.5.2 Bending mo

13、ments evaluation 18 4.5.3 Concrete . 19 4.5.4 Product inspection . 19 4.5.5 Fastening system 19 4.6 Routine tests 19 4.6.1 General . 19 4.6.2 Static rail seat positive load test . 19 4.6.3 Concrete . 19 5 Manufacturing rules 19 Annex A (normative) Detailed drawings of the test arrangements 20 A.1 Ar

14、ticulated support . 20 A.2 Resilient pad 21 A.3 Tapered packing . 22 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2008/57/EC 23 Bibliography . 25 BS EN 13230-2:2016EN 13230-2:2016 (E) 3 European foreword This document (EN 13230-2:2

15、016) has been prepared by Technical Committee CEN/TC 256 “Railway applications”, the secretariat of which is held by DIN. This document supersedes EN 13230-2:2009. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, a

16、t the latest by November 2016, and conflicting national standards shall be withdrawn at the latest by November 2016. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive 20

17、08/57/EC. For relationship with EU Directive 2008/57/EC, see informative Annex ZA, which is an integral part of this document. This European Standard is one of the EN 13230 series “Railway applications Track Concrete sleepers and bearers”, which consist of the following parts: Part 1: General requir

18、ements; Part 2: Prestressed monoblock sleepers; Part 3: Twin-block reinforced sleepers; Part 4: Prestressed bearers for switches and crossings; Part 5: Special elements; Part 6: Design. There is a change in the wording of the documents of EN 13230 (series) “design bending moment” is replaced by “cha

19、racteristic bending moment” and “test bending moment”. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finl

20、and, 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, Switzerland, Turkey and the United Kingdom. BS EN 13230-2:2016EN 13230-2:201

21、6 (E) 4 Introduction This part of the EN 13230 series defines the specific requirements dedicated to prestressed monoblock sleepers. These are additional requirements to EN 13230-1 that are necessary to have a complete standard dealing with prestressed monoblock sleepers. BS EN 13230-2:2016EN 13230-

22、2:2016 (E) 5 1 Scope This part of the EN 13230 series defines additional technical criteria and control procedures related to the manufacturing and testing of prestressed monoblock sleepers. 2 Normative references The following documents, in whole or in part, are normatively referenced in this docum

23、ent and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 206, Concrete - Specification, performance, production and conformity EN 13230-1:2016, Rai

24、lway applications Track Concrete sleepers and bearers Part 1: General requirements prEN 13230-6:2015, Railway applications Track Concrete sleepers and bearers Part 6: Design FprEN 10138 (all parts), Prestressing steels 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of th

25、is document, the terms and definitions given in EN 13230-1:2016 and the following apply. 3.1.1 Pre-tensioned monoblock sleeper sleeper manufactured using pre-tensioned tendons 3.1.2 post-tensioned monoblock sleeper sleeper manufactured using post-tensioned tendons BS EN 13230-2:2016EN 13230-2:2016 (

26、E) 6 3.2 Symbols For the purpose of this document, the symbols listed in Table 1 apply. Table 1 Symbols Symbol Description Unit Fr0Positive initial reference test load for the rail seat section kN FrrPositive test load which produces first crack formation at the bottom of the rail seat section kN Fr

27、0,05Maximum test load for which a crack width of 0,05 mm at the bottom of rail seat section persists after removal of the load 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 kN FrBMaximum positive test load at the

28、 rail seat section which cannot be increased kN FruLower test load for the rail seat section dynamic test; Fru= 50 kN kN Fc0Positive initial reference test load at the centre section of the sleeper kN Fc0nNegative initial reference test load at the centre section of the sleeper kN FcrPositive test l

29、oad which produces first crack formation at the centre of the sleeper kN FcrnNegative test load which produces first crack formation at the centre of the sleeper kN FcBMaximum positive test load at the centre section which cannot be increased kN FcBnMaximum negative test load at the centre section w

30、hich cannot be increased kN LpDesign distance between the centre line of the rail seat to the edge of the sleeper at the bottom m LrDesign distance between the articulated supports centre lines for the test arrangement at the rail seat section m LcDesign distance between centre lines of the rail sea

31、t m Mk,r,pos Positive characteristic bending moment at rail seat, (see prEN 132306:2015) kNm Mk,c,neg Negative characteristic bending moment at centre section, (see prEN 132306:2015) kNm Mk,c,pos Positive characteristic bending moment at centre section, (see prEN 132306:2015) kNm k1sStatic coefficie

32、nt 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 calculation of Fr0,5or FrBtest load - k3Static coefficient to be

33、used for calculation of FrBat the end of fatigue test - ktFactor used for calculation of acceptance criteria for first crack formation in static tests - BS EN 13230-2:2016EN 13230-2:2016 (E) 7 4 Product testing 4.1 General This section defines the testing regime and rules for the acceptance of concr

34、ete sleepers. 4.2 Test arrangements 4.2.1 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 perpendicularly to the base of the sleeper. The end of the sleeper opposite to the end

35、 being tested shall be unsupported. 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,

36、 only when required by the purchaser Figure 1 Test arrangement at the rail seat section for the positive load test BS EN 13230-2:2016EN 13230-2:2016 (E) 8 Table 2 Value of Lrin relation to LpLpin m Lrin m Lpk tx Fr0If the non-mandatory part of the test is carried out, then: Fr0,05 k1s Fr0FrB k2s Fr0

37、4.4.2.3 Centre section The acceptance criterion is: Fcr n ktx Fc0nIf the non-mandatory test for positive bending moment at the centre section is required, the purchaser shall specify the acceptance criteria. BS EN 13230-2:2016EN 13230-2:2016 (E) 18 4.4.3 Dynamic test The acceptance criteria for the

38、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 criteria for the fatigue test at the rail seat section after 2 106cycles are as follows: a) crack width is 0,1 mm

39、 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 until failure FrB, coefficient k3shall be provided by the purchaser. 4.5 Design approval tests 4.5.1 General The d

40、esign approval tests to be carried out on the sleeper and concrete comprise the tests already defined 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 4.5.2.1 General These tests are carried out in a

41、ccordance with the test arrangements in 4.2 and the test procedures in 4.3. 4.5.2.2 Static tests a) rail seat section: on six sleepers (one rail seat per sleeper), for the positive bending moment; b) centre section: three sleepers for the negative bending moment; three sleepers for the positive bend

42、ing moment (optional test carried out at the request of the purchaser). 4.5.2.3 Dynamic test Rail seat section: on six sleepers (one rail seat per sleeper), for the positive bending moment. 4.5.2.4 Fatigue test (optional test carried out at the request of the purchaser) Rail seat section: one rail s

43、eat for the positive bending moment. BS EN 13230-2:2016EN 13230-2:2016 (E) 19 4.5.3 Concrete The properties of the concrete shall be established in accordance with EN 206. 4.5.4 Product inspection Product inspection shall be carried out on all sleepers required for design approval tests including di

44、mensions and tolerances in accordance with EN 13230-1:2016, Table 1, and the surface finish of the sleeper in accordance with EN 13230-1:2016, 6.3. 4.5.5 Fastening system Test shall be carried out in accordance with the European standards on fastenings systems as referenced in EN 13230-1 or as requi

45、red by the purchaser (see EN 13230-1:2016, 7.5). 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 p

46、lan for the manufacturing unit. The routine tests to be carried out on the product and concrete are defined in this standard. 4.6.2 Static rail seat positive load test This test shall be carried out in accordance with the test arrangement shown in Figure 1 and the test procedures in 4.3. 4.6.3 Concr

47、ete The tests shall be carried out according to EN 13230-1:2016, 7.4. 5 Manufacturing rules Before starting production, the supplier shall complete a production file for manufacturing data, which shall be submitted in confidence to the purchaser and shall include the following: a) water/cement ratio

48、 and tolerance; b) weight of each component of concrete plus tolerance; c) grading curves for each aggregate of the concrete plus tolerance; d) properties of concrete after 7 days and after 28 days; e) maximum relaxation for prestressing tendons after 1 000 h according to FprEN 10138 (all parts); f)

49、 description of the prestressing system including prestressing force and tolerance on each tendon; g) methods of concrete vibration; h) curing time and temperature cycle; i) minimum concrete compressive strength before releasing prestressing tendons; j) method used for releasing prestressing force; k) stacking rules after manufacturing. The sample sleepers submitted for design tests shall comply with the manufacturing data. BS EN 13230-2:2016EN 13230-2:2016 (E) 20 Annex A (normative) Detailed drawings of the test arrangements