BS EN 13232-2-2003 Railway applications - Track - Switches and crossings - Requirements for geometric design《轨道交通 轨道 铁路侧线和道岔口 几何设计要求》.pdf

1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 13232-2:2003 Railway applications Track Switches and crossings Part 2: Requirements for geometric design The European Standard EN 13232-2:2003 has the status of

2、 a British Standard ICS 45.080 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIBS EN 13232-2:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 29 August 2003 BSI 29 Augu

3、st 2003 ISBN 0 580 42537 1 National foreword This British Standard is the official English language version of EN 13232-2:2003. The UK participation in its preparation was entrusted to Technical Committee RAE/2, Railway track components, which has the responsibility to: A list of organizations repre

4、sented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”

5、, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer

6、 immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate

7、 them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Commen

8、ts Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN132322 August2003 ICS45.080 Englishversion RailwayapplicationsTrackSwitchesandcrossingsPart2: Requirementsforgeometricdesign Applic

9、ationsferroviairesVoieAppareildevoiePartie2: Exigencespourlaconceptiongomtrique BahnanwendungenOberbauWeichenundKreuzungen Teil2:AnforderungenandentechnischenEntwurf ThisEuropeanStandardwasapprovedbyCENon7February2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatethec

10、onditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German)

11、.Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ire

12、land,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymean

13、sreserved worldwideforCENnationalMembers. Ref.No.EN132322:2003E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 2 Contents page Foreword3 1 Scope 4 2 Normativereferences 4 3 Principlesofgeometryandrunningdynamics.

14、4 4 Nongeometricaspectsofdesign . .15 5 Tolerances 15 Bibliography 17 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 3 Foreword Thisdocument(EN132322:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC256“Railwayapplic

15、ations Track“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyFebruary2004,andconflictingnationalstandardsshallbewithdrawnatthelatest byFebruary2004. ThisseriesofEuropeanStandards“ Railwa

16、yApplicationsTrackSwitchesandCrossings ”coversthedesignand qualityofswitchesandcrossingsinflatbottomedrail.Thelistofpartsisasfollows: Part1:Definitions Part2:Requirementsforgeometricdesign Part3:Requirementsforwheel/railinteraction Part4:Actuation,lockinganddetection Part5:Switches Part6:Fixedcommon

17、andobtusecrossings Part7:Crossingswithmovableparts Part8:Expansiondevices Part9:Layouts Part1containsterminologyusedthroughoutallpartsofthisseries.Parts2to4containbasicdesignguidesand areapplicabletoallswitchandcrossingassemblies.Parts5to8dealwithparticulartypesofequipment,including theirtolerances.

18、Part9definesthefunctionalandgeometricdimensionsandtolerancesforlayoutassemblies. TheseuseParts1to4asabasis. ThefollowingtermsareusedwithintodefinethepartiesinvolvedinusingtheEuropeanStandardasthetechnical basisforatransaction: Customer TheOperatororUseroftheequipment,orthePurchaseroftheequipmentonth

19、eUsers behalf. Supplier ThebodyresponsiblefortheuseoftheEuropeanStandardinresponsetothe Customersrequirements. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland,

20、France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 4 1Scope Thisp

21、artofthisEuropeanStandardcoversthefollowingsubjects: geometricdesignprinciplesforwheelguidance; definitionofbasiclimitsofsupply; appliedforcesandtheiradequatesupport; tolerance levels. Theseareillustratedhereinbyapplicationtoaturnout.Themainswitchandcrossingcomponentsarerepresented inturnoutsandthep

22、rinciplesusedinturnoutsapplyequallytomorecomplexlayouts. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequen

23、tamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN132321:2003, RailwayapplicationsTrackSwitchesandcrossingsPart1:Definitions . prEN13

24、2323,RailwayapplicationsTrackSwitchesandcrossingsPart3:Requirementsforwheel/rail interaction. prEN132325, RailwayapplicationsTrackSwitchesandcrossingsPart5:Switches. prEN132329, RailwayapplicationsTrackSwitchesandcrossingsPart9:Layouts. 3 Principlesofgeometryandrunningdynamics 3.1Introduction Geomet

25、ryisrepresentedintherunningplanebytherunningedges.Forthepurposeofdeterminationof permissiblespeedsandfordefinitionoftheturnout,curvatureisdefinedbytheradiusofthetrackcentreline. Theguidingprinciplesofcurvesaregiveninthisstandardastheyapplytoswitchesandcrossings.Switchesand crossingsarenormallydesign

26、edwithoutdifferentialcant;particularrequirementsshallbespecified. Inordertomaintainsafeandcontinuoussupportandguidanceofwheels,certainrulesoftangencyareimposed. Speedandradiusarethenrelatedtolateralacceleration.Cantdeficiencyisderivedfromthis.Switchesand crossingsarecharacterisedbychangesinlateralac

27、celeration,sorulesforbothsteadyandsuddenchanges betweenradiiareincludedinthissection. Calculationsandrulesrelatetovehicleswith2axlesorvehicleswith2axlebogies.Vehicleswithotherthan 2axlesmayrequirespecialconsiderationandassuchtheirconfigurationshallbeprovidedbytheCustomer. Theserulesaredefinedforstea

28、dystatedesign,i.e.withoutacceleration.Requirementsofadynamicnatureshall bestatedbytheCustomer. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 5 3.2 Generalrequirements 3.2.1 References,termsanddefinitions Forthepu

29、rposesofthispartoftheEuropeanStandard,thetermsanddefinitionsgiveninEN132321:2003and thefollowingapply. KeyreferencepointsrelatingtoturnoutgeometryandthelimitsofsupplyofaturnoutareillustratedinFigure1. Key 1 Actualswitchtoe 6 Limitsofsupply(frontjoints) 2 Mathematicalpointofswitch 7 Originofswitchcur

30、ve 3 Tumoutintersection 8 Centrelineradius 4 Theoreticalintersection 9 Turnoutangle 5 Limitsofsupply(heeljoints) Figure1Keyreferencepoints 3.2.2 Generaltangencyrules Atanychangeinradiusthetworadiishallbemutuallytangentialattherunningedges.Toachievethisthecentres ofadjacentcurvesshalllieonthesameradi

31、alline(seeFigure2). Exceptionstothemutualtangencyrulemayoccur.Theseare: alongthelowsidecurveofaturnoutwheregaugevariationoccurs; attheswitchtoe,forexample,toshortentheswitchrail. DetailsaregiveninprEN132323andprEN132325. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 Oc

32、tober 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 6 Key 1 Tangent Figure2Mutualtangency 3.2.3 Keydeterminants Foraconcisedefinitionofthegeometryofanassemblyofswitchesandcrossings,aminimumamountofbasic quantitativeinformationisrequired.Thefollowingitemsarebothnecessaryandsufficientforsuchadefini

33、tionofa turnout. ThefollowingshallbedefinedbytheCustomerandnumericalvaluesprovidedtotheSupplier.Notethatsome valuesmaybedifferentfromthoseforplainline: gauge; speed; maximumlateralaccelerationorcantdeficiency; maximumrateofchangeoflateralaccelerationorcantdeficiency; turnoutintersectionpointandangle

34、(seeFigure3); limitsofsupply(frontjoints,heeljoints); lowsidegaugevariation(ifany). Foracrossoverorjunction,inaddition,thefollowingshallbedefinedbytheCustomerandprovidedtothe Supplier: distancebetweenmainlinetrackcentrelines. Forswitchesandcrossingsonacurvedmainline,thefollowingmustbedefinedandprovi

35、dedbytheCustomer: mainlinecurvature; mainlineandbranchlinecantthroughturnout. ThekeypointswhoselocationshallbeagreedbetweenCustomerandSupplierareasfollows: Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 7 originof

36、switchcurve; realswitchtoe(RP); theoreticalintersection(ofcrossing). Key 1 Overalllength 2 Tangentlength 3 Turnoutintersection 4 Turnoutangle Figure3Settingoutdiagram Radiiofmainandbranchlinesandthepositionsatwhichtheychangeshallbeagreed,forexampleasillustratedin Figure4a)forcirculargeometryand4bfor

37、transitionalgeometry,togetherwith: centreline radii; originofswitchcurvetopositionsofchangesofradii; tangentoffset(ifany); wheresuchchangesofradiishallbeboundedeitherbyincludedangle,orbylongitudinaldistanceorbylateral offset,orinthecaseofatransitionsection,bysuchdataasisnecessarytouniquelydefineitss

38、hape. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 8 Figure4a)Circular Figure4b)Transitional Key 1 Centreline 2 Transition Figure4Keydimensionsrelatedtoradius 3.3 Speedrelationships Fundamentalrulesofcircularmot

39、iondeterminetherelationshipbetweenradiusandspeedaroundacurve.For railwayspecificapplicationsthefollowingformulaapplies: v max = (a max R c ) (1) where R c isthelocalcentrelineradiusofthecurveinmetre; a max isthemaximumlateralaccelerationinm/s 2 ; v max isthemaximumlocalvelocityinm/s. Alternativelywi

40、th V max inkm/h: V max =3,6 (a max R c ) (2) Oftenitisconvenienttoexpressmaximumspeedintermsofmorephysicalmeasures,usingthevariablescant deficiencyandwheelcontactgauge.Firstly,wheelcontactgaugeisexpressedconventionallyas: s w = s t + s r (3) Licensed Copy: Wang Bin, ISO/Exchange China Standards Info

41、rmation Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 9 where s w isthewheelcontactgauge,ordistancebetweenthetwoupperwheel/railcontacts,inmillimetre; s t isthetrackgaugeinmillimetre; s r istherailheadwidthinmillimetre. If s r isnotspecifiedthen,forstandardgauge(1435mm), s w tak

42、esthevalue1500mm.Thespeedrelationshipis thengivenby: V max =3,6 (h d g R c / s w ) (4) where h d isthemaximumpermittedcantdeficiencyinmillimetre; g istheaccelerationduetogravity,normallytakenas9,81m/s 2 . 3.4 Effectsofchangesincurvature 3.4.1Introduction Mostrealsituationsyieldastepchangeincurvature

43、,sinceasmoothcurvaturechangeonlyoccursintransition curves.Theeffectsofstepchangesaremitigatedbythevehiclessuspensionsystem,butanapproximateruleis necessarytoenabletheswitchandcrossingsuppliertomatchthevehiclesrequirements.Inthefollowingtherules forsteadytransitionsarecoveredfirst,thentherulesforstepchangesincurvature. SeeFigure5forexamplesofalternativearrangementsoftransitionswithinturnouts. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 30 October 2003, Uncontrolled Copy, (c) BSIEN132322:2003(E) 10 Key 1 Radius 2 Transition 3 Straight 4 Rad