1、BRITISH STANDARD BS EN 13232-1:2003 Railway applications Track Switches and crossings Part 1: Definitions The European Standard EN 13232-1:2003 has the status of a British Standard ICS 01.040.45; 45.080 BS EN 13232-1:2003 This British Standard, was published under the authority of the Standards Poli
2、cy and Strategy Committee on 29 August 2003 BSI 29 August 2003 ISBN 0 580 42536 3 National foreword This British Standard is the official English language version of EN 13232-1:2003. The UK participation in its preparation was entrusted to Technical Committee RAE/2, Railway track components, which h
3、as the responsibility to: A list of organizations represented 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
4、entitled “International Standards Correspondence Index”, 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. Compl
5、iance with a British Standard does not of itself confer 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
6、 international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 52, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the docum
7、ent was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN132321 August2003 ICS01.040.45;45.080 Englishversion RailwayapplicationsTrackSwitchesandcrossingsPart1: Definitions ApplicationsferroviairesVoieAppareilsdevoiePartie 1:Dfin
8、itions BahnanwendungenOberbauWeichenundKreuzungen Teil1:Definitionen ThisEuropeanStandardwasapprovedbyCENon17January2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodate
9、listsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguag
10、eandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn it
11、ed Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN132321:2003EEN132321:2003(E) 2 Contents Page F
12、oreword3 1 Scope 4 2 Generaldefinitions . .4 3 Definitionsofclassificationterms . 9 4 Definitionsoftermsinturnoutsanddiamonds. .12 5 Definitionsoftermsinlayouts . 20 6 Definitionsofconstituentpartsofswitchandcrossingwork24 7 Definitionsofgeometrytermsforswitchesandcrossings 34 8 Movementandretention
13、ofswitchesandcrossingswithmoveableparts .43 9 Kinematicsanddynamics. 45 10 Documents47 Bibliography 52EN132321:2003(E) 3 Foreword Thisdocument(EN132321:2003)hasbeenpreparedbyTechnicalCommitteeCEN /TC 256,“Railway applications“,thesecretariatofwhichisheldbyDIN. ThisEuropeanStandardshallbegiventhestat
14、usofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyFebruary2004,andconflictingnationalstandardsshallbewithdrawnatthelatest byFebruary2004. Thisseriesofstandards“RailwayApplicationsTrackSwitchesandCrossings”coversthedesignandqualityof switchesandcrossingsinflatbot
15、tomedrail.ThelistofPartsisasfollows: Part1:Definitions Part2:RequirementsforGeometricDesign Part3:RequirementsforWheel/RailInteraction Part4:RequirementsforActuation,LockingandDetection Part5:Switches Part6:Fixedcommonandobtusecrossings Part7:Crossingswithmoveableparts Part8:Expansiondevices Part9:L
16、ayouts Part1containsterminologyusedthroughoutallpartsofthisseries.Parts2to4containbasicdesignguidesand areapplicabletoallswitchandcrossingassemblies.Parts5to8dealwithparticulartypesofequipmentincluding theirtolerances.TheseuseParts1to4asabasis.Part9definesthefunctionalandgeometricdimensionsand toler
17、ancesforlayoutassembly. ThefollowingtermsareusedwithintodefinethepartiesinvolvedinusingtheENasthetechnicalbasisfora transaction: Customer theOperatororUseroftheequipment,orthePurchaseroftheequipmentontheUsersbehalf. Supplier theBodyresponsiblefortheuseoftheENinresponsetotheCustomersrequirements. Thi
18、sdocumentincludesaBibliography. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherland
19、s,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN132321:2003(E) 4 1Scope ThisEuropeanStandardprovidesanaccepted“terminology“forswitchandcrossingwork.Withtheassistanceof diagrams,thevariouscomponentsaregivendefinitions,andthesespecificnamesareregardedasobligatory. Thedefiniti
20、onscovertheconstituentpartsanddesigngeometryofswitchandcrossingwork,andincludethe movementofswitches.Additionalterminologyofamorespecificnaturewillbedefinedintherelevantpartofthe series. Thepresentdefinitionssetoutthetermsmostgenerallyusedforthegeometricalformandtheconstructionof switchesandcrossing
21、s,omittingthoseoftoospecialanature. 2 Generaldefinitions 2.1 contactarea thosepartsoftherailensuringthesupportand/orguidance,insideoroutside,ofawheel.SeeFigure5. 2.2 runningtable uppersurfaceoftheheadofarail.SeeFigure1. Key 1 Runningtable Figure1 2.3 runningsurface curvedsurfacedefinedbythelongitudi
22、naldisplacementofastraightlineperpendiculartothecentrelineofthe trackandtangentialtobothrunningtables.SeeFigure2. Figure2EN132321:2003(E) 5 2.4 runningplane flatplanetangentialtotherunningsurfaceattheconsideredpoint.SeeFigure3. Key 1 Runningplane Figure3EN132321:2003(E) 6 2.5 railinclination angleme
23、asuredasatangent(e.g.1in20)betweenthenormaltotherunningsurfaceandtheyyaxisoftherail. SeeFigure4. Key 1y y a x i s 2 Railinclination Figure4EN132321:2003(E) 7 2.6 inclinedtrack wheretheaxesofthetworunningrailsareinclinedinwardstowardseachother.SeeFigure5. Key 1 Contactarea 6 Verticaltrack 2 Runningta
24、ble 7 Gaugereferenceplane 3 Runningplane 8 Runningedge 4 Inclinedtrack 9 Gauge 5 Railtwist Figure5 2.7 verticaltrack wheretheaxesofthetworunningrailsareparallel,thatis,havearailinclinationofzero 2.8 railtwist changeininclinationoftherail(e.g.from1in20tovertical).SeeFigure5. 2.9 gaugereferenceplane p
25、laneparalleltoandbelowtherunningsurfaceatadimension “z“.Thisdimension “z“isgenerally14mm.This planeisusedforalldesignwork,machining,andmeasurements.SeeFigures5and6. Figure6EN132321:2003(E) 8 2.10 runningedge intersectionofthegaugereferenceplanewiththeinsideoftherailhead.SeeFigure5. 2.11 trackgauge d
26、istancebetweenthecorrespondingrunningedgesofthetworails.SeeFigure5. 2.12 centrelineoftrack linemidwaybetweentherunningedgesonstraighttrack,andhalfnormalgaugeinsidetherunningedgeofthe largerradiusrailincurvedtrack.SeeFigures5and7. 2.13 highsiderail oncurvedtrack,therailwiththelargerradius,i.e.centrel
27、ineradiusplushalfoftrackgauge 2.14 lowsiderail oncurvedtrack,therailwiththesmallerradius 2.15 gaugewidening intendedincreaseingauge.Theradiusofthelowsiderailisdecreased,andthedistancebetweenthecentreline oftrackandthelowsiderailisincreased,bytheamountofgaugewidening.SeeFigure7. Key 1 Gaugewideningon
28、sharpcurves 2 717.5+Gaugewidening 3 717.5+Gaugewidening G =gauge/2 Figure7 2.16 sleeperorbearerspacing distancealongtherailsbetweenthecentrelinesofadjacentsleepersorbearersEN132321:2003(E) 9 2.17 cant(superelevation) differenceinheight,relativetothehorizontal,ofthetworailsofonetrackataparticularloca
29、tion,measuredatthe centrelinesoftheheadsoftherails.SeeFigure8. Key 1 Horizontal 2 Cant(superelevation) Figure8 2.18 equilibriumcant cantforwhichataparticularstatedspeedtheresultantoftheloadofvehicleandthecentrifugalforceis perpendiculartotherunningplane 2.19 cantdeficiency differencebetweentheapplie
30、dcantonthetrackandtheequilibriumcantforthevehicleattheparticularstated speed 3 Definitionsofclassificationterms 3.1 switchandcrossingwork trackworkensuringthesupportandguidanceofavehiclealonganygivenrouteamongvariousdivergingor intersectingtracks.Theterm(switchandcrossingwork)isamplifiedtoincludecer
31、tainitemshavingotherfunctions (forexample,expansiondevices). NOTE:Switchesareinsomecircumstancesdescribedaspointseitherwordisconsideredacceptable.(English versiononly). Allsketchesrepresenttherunningedges.Allturnoutsareviewedfromtheswitchtoe(see6.2.7).EN132321:2003(E) 10 3.2 turnout layoutpermitting
32、thepassageofrollingstockbetweentwotracksandonecommontrack.SeeFigure9. Figure9 3.3 diamondcrossing layoutpermittingthepassageofrollingstockonintersectingtracks.SeeFigure10. Figure10 3.4 interlacedtrack layoutpermittingthepassageofrollingstockbetweentwotrackseitherofdifferentgaugeornot,toacommon secti
33、onwith4rails.SeeFigure11. Figure11EN132321:2003(E) 11 3.5 mixedgaugeturnout layoutpermittingthepassageofrollingstockbetweentwotracksofdifferentgaugetoacommonsectionwith 3rails.SeeFigure12. Figure12 3.6 trappoint layoutpermittingthederailmentofrollingstocktoensureforexampleprotectionofanadjacenttrack
34、orstructure. SeeFigure13. Figure13EN132321:2003(E) 12 3.7 adjustmentswitch(expansionjoint) devicewhichpermitslongitudinalrelativerailmovementoftwoadjacentrails,whilemaintainingcorrectguidance andsupport.SeeFigure14. Figure14 4 Definitionsoftermsinturnoutsanddiamonds 4.1Track designations Thefollowin
35、gdefinitionsapplyevenwhentheappearanceofthelayoutiscurved. 4.1.1 mainline inthebasicdesignthestraighttrackiscalledthe“main“line.SeeFigure15. Key 1 Branchline 2 Mainline Figure15 4.1.2 branchline(turnoutline) inthebasicdesign,thecurvedtrackiscalledthe“branch“or“turnout“line.SeeFigure15. 4.2 turnoutde
36、signations turnoutsaredesignatedbythesymbols: RH divergingtotheright LH divergingtotheleft S symmetrical(orequalsplit) Thetypeofturnoutdependsuponthe“set“oftheswitches,andnotuponthegeometryofthetracklayout.TheEN132321:2003(E) 13 “set“isdefinedasthebendinthestockrailattheswitchtoeapplyingtothebrancho
37、rturnoutline. Thedivergingtrack(toleftorright)isalwaysthetrackwiththesetinthestockrail,orwherenosetisused,the trackwiththesharperradius. 4.2.1 divergingturnout whenthebranchlinedivergedtotherightofthemainline,itisarighthandturnout.SeeFigure16. Key 1 Mainline 2 Branchline Figure16 Whenthebranchlinedi
38、vergedtotheleftofthemainline,itisalefthandturnout.SeeFigure17. Key 1 Mainline 2 Branchline Figure17 Forcurvedturnoutssee7.6.3.EN132321:2003(E) 14 4.2.2 equalsplitturnout whenthetwotracksdivergesymmetricallyfromthecommontrack.Themachiningofeachswitchrailwillbeequal, aswillthehorizontalset(ifany)ofeac
39、hstockrail(see6.2.2).SeeFigure18. Figure18 4.2.3 threethrowortandemturnout junctionbetweentwotracksandacommontrack.Thedifferenttypesaredesignated: S3 3symmetricaltracks(threethrow) RR 3asymmetricaltracksofwhichtwodivergetotheright LL 3asymmetricaltracksofwhichtwodivergetotheleft RL 3asymmetricaltrac
40、kswithfirstdivergingtracktotherightandseconddivergingtracktotheleft LR 3asymmetricaltrackswithfirstdivergingtracktotheleftandseconddivergingtracktotheright 4.2.4 symmetrical,threethrow twotrackswithacommonorigin(see7.3.1)divergingsymmetricallyfromthecommoncentral,normallystraight, track.SeeFigure19.
41、 Figure19EN132321:2003(E) 15 4.2.5 nonsymmetrical,tandemturnout“sameside“ twotracksofseparateorigin(see7.3.1)“intandem“divergingfromacommonmainlinetotheright,designatedRR asinFigure20or21.TypeLL,divergingtotheleftaremirrorreflections. Figure20 Figure21 4.2.6 nonsymmetrical,tandemturnout“oppositeside
42、s“ divergingtotherightandtotheleftasshowninFigure22,designatedRL,orviceversa,designatedLR Figure22EN132321:2003(E) 16 4.3 diamondcrossingdesignations thediamondcrossingiseitherstandardornonstandard 4.3.1 standard whenbothtracksarestraightoroncurvesofthesamehandandradius.SeeFigure23. Figure23 4.3.2 n
43、onstandard whenonetrackiscurvedandtheotherstraight,orwhenbothtracksarecurvedtodifferentradiiorwhenboth tracksaretothesameradiusbutofoppositehand.SeeFigure24. Figure24EN132321:2003(E) 17 4.3.3 designationsofnonstandarddiamonds thefollowingdesignationsareusedtodefinenonstandarddiamondsaccordingtowhetherthecurvedtrackorthat ofsharperradiusbearsawaytotherightortotheleftofanobserverstandingatthepositionindicated(the
