客货共线铁路钢轨伸缩调节器RailExpansionJointofMixedPassengerandFreightRailway

RAILWAYINDUSTRYSTANDARD

OFTHEPEOPLES'REPUBLICOFCHINA

RailExpansionJointofMixedPassengerandFreightRailway

TB/T3518-2018

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IssuedbyNationalRailwayAdministrationofthePeoplesRepublicofChina

IssuedDate:July31,2018

ValidDate:February1,2019

ChinaRailwayPublishingHouseCo.,Ltd.

Beijing2022

图书在版编目CIP数据

()

客货共线铁路钢轨伸缩调节器英文

:TB/T3518-2018:/

国家铁路局组织编译北京中国铁道出版社有限公司

.—:,

2022.3

ISBN978-7-113-28843-3

客国钢轨养路机械行业标准

Ⅰ.①…Ⅱ.①…Ⅲ.①---

中国英文

-Ⅳ.①U216.65-65

中国版本图书馆数据核字第号

CIP(2022)018211

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ChineseversionfirstpublishedinthePeoplesRepublicofChinain2019

'

EnglishversionfirstpublishedinthePeoplesRepublicofChinain2022

byChinaRailwayPublishingHouseCo.,Ltd.

'

No.8,YouanmenWestStreet,XichengDistrict

Beijing,100054

PrintedinChinabyBEIJINGCONGREATPRINTINGCO.,LTD.

'

Ź2019byNationalRailwayAdministrationofthePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymeans,electronicormechanical,includingphotocopying,recording,orbyany

informationstorageandretrievalsystems,withoutthepriorwrittenconsentofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,

'

belent,resold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsent

inanyformofbindingorcoverotherthanthatinwhichitispublishedandwithouta

similarconditionincludingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-113-28843-3

IntroductiontotheEnglishVersion

TopromotetheexchangeandcooperationinrailwaytechnologybetweenChinaandtherestof

theworld,PlanningandStandardResearchInstituteofNationalRailwayAdministration,

'

entrustedbyNationalRailwayAdministrationofthePeoplesRepublicofChina,organizedthe

translationandpreparationofChineserailwaytechnologyandproductstandards.

RailExpansionJointforMixedPassenger

ThisStandardistheofficialEnglishversionof

andFreightRailway

(TB/T3518-2018).TheoriginalChineseversionofthisstandardwasissued

'

byNationalRailwayAdministrationofthePeoplesRepublicofChinaandcameintoeffecton

February1,2019.Incaseofdiscrepanciesbetweenthetwoversions,theChineseversionshall

'

prevail.NationalRailwayAdministrationofthePeoplesRepublicofChinaownsthecopyrightof

thisEnglishversion.

Yourcommentsareinvitedfornextrevisionofthisstandardandshouldbeaddressedto

TechnologyandLegislationDepartmentofNationalRailwayAdministrationandPlanningand

StandardResearchInstituteofNationalRailwayAdministration.

Address:TechnologyandLegislationDepartmentofNationalRailwayAdministration,No.6,

FuxingRoad,Beijing,100891,P.R.China.

PlanningandStandardResearchInstituteofNationalRailwayAdministrationatBlockB,

JianGongBuilding,No.1,GuanglianRoad,XichengDistrict,Beijing,100055,P.R.China.

ThetranslationwasperformedbyJiangHankeandFangWenshan.

ThetranslationwasreviewedbyGuAijun,HanZhigang,WangYajun,JiangJinzhou,

LiuHaozheng,WangLei,DongXuewu,XueJigangandZhaoLin.

1

NoticeofNationalRailwayAdministrationonIssuingtheEnglish

VersionofEightChineseRailwayTechnicalStandardsincluding

TechnicalSpecificationforLayingofHighSpeedTurnoutsforSlabTrack

DocumentGTKF〔2021〕No.33

TechnicalSpecificationforLayingofHigh

EightChineserailwaytechnicalstandardsincluding

SpeedTurnoutsforSlabTrack

(TB/T3302-2013)areissued.Incaseofdiscrepanciesbetweenthe

twoversions,theChineseversionshallprevail.

ChinaRailwayPublishingHouseCo.Ltd.isauthorizedtopublishanddistributetheEnglish

versionofthesestandards.

AttachedhereisalistoftheEnglishversionofthesestandards.

S/NChinesetitleEnglishtitleStandardnumber

高速铁路无砟轨道道岔铺设技

TechnicalSpecificationforLayingofHighSpeedTurnouts

1术条件TB/T3302-2013

forSlabTrack

高速铁路有砟轨道道岔铺设技

TechnicalSpecificationforLayingofHighSpeedTurnouts

2术条件TB/T3306-2013

forBallastedTrack

客运专线钢轨伸缩调节器

3RailExpansionJointofPassengerDedicatedLineTB/T3401-2015

客货共线铁路钢轨伸缩调节器RailExpansionJointofMixedPassengerandFreight

4TB/T3518-2018

Railway

弹性支承块式无砟轨道部件

5第部分混凝土支承块LowVibrationTrackComponents—Part1:ConcreteBlockTB/T3515.1-2018

1:

铁路桥梁钢支座

6SteelBearingsforRailwayBridgeTB/T1853-2018

铁路数字移动通信系统

(GSM-R)GlobalSystemforMobileCommunications-Railway(GSM-

7设备机车综合无线通信设备TB/T3375-2018

R)—CabIntegratedRadioCommunicationEquipment

集中联锁结合电路一般原则GeneralPrinciplesforCombinedCircuitofCentralized

8TB/T2307-2017

Interlocking

'

NationalRailwayAdministrationofthePeoplesRepublicofChina

October28,2021

3

Contents

………………

ForewordⅡ

………………

1Scope1

………………

2NormativeReferences1

……………

3TermsandDefinitions2

………………

4Design2

…………………………

5Manufacture2

…………………

6FactoryAssembly6

…………………

7InspectionMethods9

……………………

8InspectionRules9

……

9Marking,Packaging,QualityCertificates,StorageandTransportation10

Ⅰ

Foreword

ThisStandardisdraftedinaccordancewiththerulesgiveninGB/T1.1-2009.

ThisStandardisproposedandmanagedbyChinaRailwayEconomicandPlanningResearch

InstituteCo.,Ltd.

ThisStandardisdraftedbyRailwayEngineeringResearchInstituteofChinaAcademyofRailway

SciencesCorporationLimitedandChinaRailwayBaojiBridgeGroupCo.,Ltd.

ThisStandardismainlydraftedbyJiangJinzhou,LiangChen,XuYupo,DongYanlu,FeiWeizhou,

FangHangwei,WangMeng,XiaoJunhengandFengYi.

Ⅱ

RailExpansionJointofMixedPassengerandFreightRailway

1Scope

ThisStandardspecifiesthedesign,manufacture,factoryassembly,inspectionmethods,inspection

rules,aswellasmarking,packaging,qualitycertificates,storageandtransportationofrailexpansion

jointsofmixedpassengerandfreightrailway.

ThisStandardisapplicabletorailexpansionjointsofmixedpassengerandfreightrailwayswith

trackgaugeof1435mm(hereinafterreferredtoasREJ).

2NormativeReferences

Thefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.For

datedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthe

referenceddocument(includinganyamendments)applies.

SplitPins

GB/T91

GeometricalTolerancingGeometricalToleranceforFeatureswithoutIndividual

GB/T1184-1996—

ToleranceIndications

SpecificationsofHighStrengthBoltswithLargeHexagonHeadLargeHexagonNutsPlain

GB/T1231,,

WashersforSteelStructures

SpheroidalGraphiteIronCastings

GB/T1348

GeneralTolerancesTolerancesforLinearandAngularDimensionswithoutIndividual

GB/T1804-2000—

ToleranceIndications

HexagonSlottedandCastleNutsStyle1ProductGradesAandB

GB/T6178,—

Castings-SystemofDimensionalTolerancesandMachiningAllowances

GB/T6414-1999

SingleCoilSpringLockWashersHeavyType

GB/T7244,

Non-destructiveTestingMagneticParticleTestingofWelds

JB/T6061—

Non-destructiveTestingPenetrantTestingofWelds

JB/T6062—

TechnicalSpecificationonTurnoutsforStandard-gaugeRailway

TB/T412

TechnicalSpecificationsfortheProcurementof43kgm~75kgmRails

TB/T2344//

ConcreteTurnoutSleeperforBallastedTrack

TB/T3080

SwitchandCrossingRails

TB/T3109

ConcreteSleeperEmbeddedinBallastlessTrackonTurnoutSectionofHigh-speedRailway

TB/T3297

TechnicalSpecificationforManufacturingofHighSpeedTurnoutsPart3Bolts

TB/T3307.3—:

forFixationofPlates

TechnicalSpecificationforManufacturingofHighSpeedTurnoutsPart7Embedded

TB/T3307.7—:

PlasticDowels

TechnicalSpecificationforManufacturingofHighSpeedTurnoutsPart9Height

TB/T3307.9—:

AdjustmentPlates

FasteningSystemsforHigh-speedRailwayPart1GeneralRequirement

TB/T3395.1—:

FasteningSystemsforHigh-speedRailwayPart4WJ-7FasteningSystem

TB/T3395.4—:

RailExpansionJointofPassengerDedicatedLine

TB/T3401-2015

·1·

3TermsandDefinitions

Forthepurposesofthisdocument,thetermsanddefinitionsdefinedinTB/T3401apply.

4Design

4.1

TheREJshallbedesignedwithastructurecomprisingafixedswitchrailandmovablestockrail

forexpansion/contraction.Thevariationoftrackgaugeduringstockrailexpansion/contractionshall

bewithin±2mm.

4.2

Theexpansion/contractionlimitofREJshallnotbelessthanthesumoftheannualmaximum

variationandtheallowance(±100mm)ofthenearestbeamjoint,andtheminimumexpansion/

contractionshouldbe±200mm.

4.3

ThestockrailoftheREJshouldbelengthenedappropriatelyaccordingtothelineconditions,so

thatitcanextendbeyondbeamjoints,andthedistancefromthefrontendofstockrailandthepointof

switchrailtotheedgeofthenearestbeamjointshallallnotbelessthan2m.

4.4

Ifabeamexpansionjoint(BEJ)isprovidedatthebeamend,theREJ,complyingwiththe

requirementsin4.3,shallbedesignedincoordinationwiththeBEJ,beamendballastretainingwall,

etc..

4.5

Specialfastenersshallbeusedasstockrailfastenersfromthepointofswitchrailtothenearest

beamjoint.

4.6

ThepointofREJswitchrailshallbeofconcealedtypewithitsconcealedamountlessthan

3mm.Thecuttinglineofthenon-runningsurfaceoftheswitchrailheadshallnotbeastraightlineor

brokenline.

4.7

TheminimumadjustmentrangeoftheREJtrackgaugeshallbe±14mm.Theheightadjustment

amountoftheREJforballastedtrackshallnotbelessthan10mm,andtheminimumheight

adjustmentoftheREJforballastlesstrackshallrangefrom-3mmto+15mm.

4.8

Theexpansion/contractionresistanceofthestockrailandswitchrailshallcomplywithTable1.

Table1Expansion/ContractionResistanceofStockRailandSwitchRail

Expansion/contractionresistance

Rails

kN/rail

Stockrail≤50

Switchrail≥100

4.9

Themaximumexpansion/contractionoftheguardrailexpansionjointshallbeconsistentwith

theexpansion/contractionlimitoftheREJ.

5Manufacture

5.1GeneralRequirements

5.1.1

TheREJsshallbemanufacturedaccordingtothedesigndrawingsandthisstandard.

5.1.2

Ifnotincludedinthisstandardornotindicatedinthedesigndrawings,thedimensional

deviationsofmachinedpartsshallcomplywiththeC-classrequirementsinGB/T1804-2000,the

geometricaldeviationsshallcomplywiththeL-classrequirementsinGB/T1184-1996,andthe

dimensionaldeviationsofcastingsshallcomplywithCT9requirementsinGB/T6414-1999.

·2·

5.2Rails

5.2.1

Therawmaterialsshallcomplywiththefollowingrequirements:

a)ThestockrailshallcomplywithTB/T2344;

b)TheswitchrailshallcomplywithTB/T3109;

c)Thestockrailandswitchrailshallmadefromthesamerailasthesectiontrack;

d)Allprotrudingmarksontherailwebwherethestockrailfitswiththerailbrace,andthe

protrudingmarksontherailwebaffectingthefittingoftheswitchrailwiththerailbrace

shallbegroundoff;

e)Thestockrailandswitchrailshallbemadefromintegralholelessrails.

5.2.2

ThetoleranceoftheraillengthshallcomplywithTable2.

Table2ToleranceofRailLength

Unit:mm

RailsTolerance

Stockrail±3

Switchrail-4-0

5.2.3

Thegeometricaldeviationshallcomplywiththefollowingrequirements:

a)Theclosureedgebetweenthestockrailandtheswitchrailshallbesmoothandround

withouthardbending;

b)ThestraightnessshallcomplywithTable3;

c)Theverticalityofrailendsurfaceshallbe1mm.

Table3RequirementsforStraightnessofStockRailandSwitchRail

ItemStraightness

Runningsurfaceofstockrail0.3mm/1m

Railtopsurfaceinstraightsectionofstockrail0.3mm/1m

Runningsurfaceofswitchrail0.3mm/1m,1.5mm/10m

Switchrailtopsurfacewithoutreduction0.3mm/1m

5.2.4

ThestockrailandswitchrailshallbecutincompliancewithTable4.Inaddition,rail

roundingorchamferingshallbecarriedoutaccordingtothedesigndrawings.Ifnorequirementis

RR

specified,chamferingshallbenotlessthan1mm×45°androundingshallbe1mm-1.5mm.

Table4RequirementsforStockRailandSwitchRailMachining

ItemTechnicalrequirements

Ra

MachinedsurfaceroughnessMRR12.5

Deviationofinwardinclinationofclosuresurface1/80,nooutwardinclination

Toleranceofheight

±1

mm

Machiningsectionofswitchrail

Toleranceofrailheadwidth

±0.5

mm

Indentationdepthofrunningsurfaceofstockrailandswitchrail

≤0.3

mm

·3·

5.2.5

Thestockrailshallcomplywiththefollowingrequirements:

a)Thestockrailshallbemanufacturedwithon-lineheat-treatedrails;

b)Theinitialexpansion/contractionpositionofREJshallbemarkedonthestockrailaccording

tothedesign;

c)Themachiningsurfaceshallbegreased.

5.2.6

Theswitchrailshallcomplywiththefollowingrequirements:

a)Theswitchrailshallbemanufacturedwithon-lineheat-treatedrails;

b)Thedimensionsoftheforgedheeloftheswitchrailshallcomplywiththedesignrequirements;

c)Theforging,pressingandmachiningoftheheeloftheswitchrailshallcomplywithTB/T412;

d)Themachiningsurfaceshallbegreased.

5.3CouplingParts

5.3.1

Theironbaseplateshallcomplywiththefollowingrequirements:

a)Therawmaterialsoftheironbaseplateshallmeetthedesignrequirements.

b)Thetoleranceofinclinationofrailcantontheironbaseplateshallbe±1∶320,andthe

bottomflatnessshallbe0.8mm.ThetoleranceofdimensionsshallcomplywithTable5.

Table5DimensionalToleranceofIronBasePlate

Unit:mm

ItemTolerance

Thickness±0.5

Lengthandwidth±1

Spacingandeccentricityofboltholes±0.5

Boltholediameter0-+1

c)Theflatnessofthestockrailbearingsurfaceontheironbaseplateshallbe0.5mm,witha

Ra

roughnessofMRR12.5.

d)Thetolerancesforthetotalthicknessofplateundertheswitchrailandironbaseplateshall

be±0.5mm,andthelevelnesstoleranceoftheplateundertheswitchrailrelativetothetop

surfaceoftheironbaseplateshallbe0.5mm.Theflatnesstoleranceofthetopsurfaceof

Ra

plateundertheswitchrailshallbe0.3mmandtheroughnessshallbeMRR12.5.

e)Ifitisnotindicatedinthedrawing,chamferingshallbenotlessthan1mm×45°and

RR.

roundingshallbe1mm-15mmaroundtheironbaseplateandboltholes.

f)Weldsontheironbaseplateshallbefreeofdenseorcontinuousporosity,slaginclusionor

obviousundercutandcrater,andshallnotlackoffusion.Thesurfaceofweldsshallbe

continuous,smoothandeven.Thereshallbenoresidualweldoverlap,weldingslag,flash

orburroneachsurfaceoftheironbaseplate.

g)Theironbaseplateshallbetreatedwithrustprevention.

5.3.2

Thestaticstiffnessandthedimensionaltoleranceoftheresilientpadshallcomplywiththe

designrequirements.ThephysicalpropertiesofrubbershallcomplywithTB/T3395.4.

5.3.3

Thecouplingfastenersfortheironbaseplateshallcomplywiththefollowingrequirements:

a)TheembeddedsleeveshallcomplywithTB/T3307.7;

b)TheironbaseplateboltsshallcomplywithTB/T3307.3.

5.3.4

Therailbraceshallcomplywiththefollowingrequirements:

a)Therailbraceshallbemadeofspheroidalgraphiteironanditsmechanicalpropertiesshall

·4·

complywithGB/T1348;

b)Theintersectionofallsurfacesoftherailbraceshallbeincirculararctransition,andthe

R

circulararcradiusshallbe2mmunlessotherwiseindicated.Thedimensionaltolerancesof

therailbraceshallnotbeinferiortoCT7classspecifiedinGB/T6414-1999,andshall

complywithTable6;

c)Thefittingsurfacebetweentherailbraceandthegaugeadjustmentsheetshallbesmoothened;

d)Therailbraceshallbetreatedwithrustprevention.

Table6DimensionalTolerance,SurfaceRoughnessandFlatnessRequirementsofRailBrace

ItemTechnicalrequirements

Dimensionaltolerance

±1.5

mm

Ra

RoughnessoffittingsurfacewithrailwebMRR12.5

Flatnessofmachiningsurface

1.0

mm

5.3.5

Theduplexrailbraceshallcomplywiththefollowingrequirements:

a)Theintersectionofallsurfacesoftherailbraceshallbeincirculararctransition,andthe

R

circulararcradiusshallbe2mmunlessotherwiseindicated.

b)Weldsshallbefreeofdenseorcontinuousporosity,slag,orobviousundercutandcraterand

shallnotlackoffusion.Thesurfaceofweldsshallbecontinuous,smoothandeven.

c)Thesurfaceshallbepainted.

5.3.6

Therailbraceboltsshouldbeofanti-looseningstructureandshallcomplywiththefollowing

requirements:

a)TherailbraceboltsshallnotbelowerthanGrade8.8,thefittingnutsshallnotbelower

thanGrade8H,andtheplainwashersshallbeofHRC35-HRC45.Othertechnical

requirementsshallcomplywithGB/T1231.

b)Thespringwashersshallmeetthedesignrequirements.

c)Theheavy-typespringwashersshallcomplywithGB/T7244.Thecastlenutsshallnotbe

lowerthanGrade8HandshallcomplywithGB/T6178.Thesplitpinsshallcomplywith

GB/T91.

d)Arrowsignsindicatingdirectionsshallbemarkedonthetopoftherailbracebolts.

e)Therailbraceboltsshallbetreatedwithrustprevention.

5.3.7

Thegaugeadjustmentsheetshallcomplywiththefollowingrequirements:

a)Whennon-metallicmaterialsareadopted,thegaugeadjustmentsheetswithathicknessof

greaterthanorequalto3mmshallbeusedandcomplywithAnnexAofTB/T3401-2015;

whenmetallicmaterialsareadopted,rust-prooftreatmentshallbecarriedout;

b)Theintersectionofallsurfacesofthegaugeadjustmentsheetshallbeincirculararc

R

transition,andthecirculararcradiusshallbe1mmunlessotherwiseindicated;

c)Thethicknessshallbemarkedonthesheet.

5.3.8

Theintersectionofallsurfacesofthepressingplateshallbeincirculararctransition,andthe

R

circulararcradiusshallbe1mmunlessotherwiseindicated.

5.3.9

Theheightadjustmentpadshallcomplywiththefollowingrequirements:

a)TheheightadjustmentpadshallcomplywithTB/T3307.9;

·5·

b)Thethicknessmarkshallbepaintedonthesurfaceoftheheightadjustmentpad.

5.3.10

Thephysicalandmechanicalpropertiesofcomponentsshallnotbedegradedaftertherust-

prooftreatment,andallmarksshallbeclear.

5.4Sleeper

5.4.1

TheboltholespacingofsleepersforREJsofballastedtrackshallmeetthedesignrequirements,and

othertechnicalrequirementsshallcomplywithTB/T3080.

5.4.2

TheboltholespacingofsleepersforREJsofballastlesstrackshallmeetthedesignrequirements,and

othertechnicalrequirementsshallcomplywithTB/T3297.

6FactoryAssembly

6.1GeneralRequirements

6.1.1

TheREJsshallbeassembledinthefactoryaccordingtotheinitialexpansion/contraction

positionofthestockrail,unlessotherwisespecifiedbytheuser.

6.1.2

REJsshallbeassembledasawholesetonaspecialplatform.

6.1.3

AftertheREJsareassembled,theexpansion/contractionresistanceofthestockrailandswitchrail

shallcomplywithTable1;thetolerancebetweenthemaximumexpansion/contractionamountand

theirdesignvaluesshallbe±10mm.

6.2AssemblyofStockRailandSwitchRail

6.2.1

Therails,railbraces,ironbaseplatesandrelatedfastenersofREJsshallbeassembledinthe

factory,andshallcomplywithTable7.

6.2.2

Greasingshallcomplywiththefollowingrequirements:

a)Drylubricantshallbeappliedtothecontactsurfacebetweentheironbaseplateandthestock

railbase,thefittingsurfacebetweenthestockrailandtherailbrace,andtheclosuresection

betweentheswitchrailheadandthestockrailhead;

b)Long-lastinggreaseshallbeappliedtotherailbraceboltsandtheelasticclipfasteningbolts;

c)Thecontactsurfacesbetweentheswitchrailandthebaseplate,aswellasbetweenthe

switchrailwebandbaseandtheswitchrailbraceshallnotbegreased,andshallbefreeof

anyoildirt.

6.3Asse