弹性支承块式无作轨道部件第1部分混凝土支承块LowVibrationTrackComponents-Part1：ConcreteBlock

RAILWAYINDUSTRYSTANDARD

OFTHEPEOPLES'REPUBLICOFCHINA

LowVibrationTrackComonents—Part1ConcreteBlock

p:

TB/T3515.1-2018

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IssuedbyNationalRailwayAdministrationofthePeoplesRepublicofChina

IssuedDate:July16,2018

ValidDate:February1,2019

ChinaRailwayPublishingHouseCo.,Ltd.

Beijing2022

图书在版编目CIP数据

()

弹性支承块式无砟轨道部件第部分

:TB/T3515.1-2018.1,

混凝土支承块英文国家铁路局组织编译北京中国铁道

:/.—:

出版社有限公司

,2022.3

ISBN978-7-113-28844-0

弹国弹性支承无砟轨道混凝土

Ⅰ.①…Ⅱ.①…Ⅲ.①--

支架零部件行业标准中国英文

----Ⅳ.①U213.2-65

中国版本图书馆数据核字第号

CIP(2022)024592

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ChineseversionfirstpublishedinthePeoplesRepublicofChinain2018

'

EnglishversionfirstpublishedinthePeoplesRepublicofChinain2022

byChinaRailwayPublishingHouseCo.,Ltd.

'

No.8,YouanmenWestStreet,XichengDistrict

Beijing,100054

PrintedinChinabyBEIJINGCONGREATPRINTINGCO.,LTD.

'

Ź2018byNationalRailwayAdministrationofthePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

byanymeans,electronicormechanical,includingphotocopying,recording,orbyany

informationstorageandretrievalsystems,withoutthepriorwrittenconsentofthepublisher.

Thisbookissoldsubjecttotheconditionthatitshallnot,bywayoftradeorotherwise,

'

belent,resold,hiredoutorotherwisecirculatedwithoutthepublisherspriorconsent

inanyformofbindingorcoverotherthanthatinwhichitispublishedandwithouta

similarconditionincludingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-113-28844-0

IntroductiontotheEnglishVersion

TopromotetheexchangeandcooperationinrailwaytechnologybetweenChinaandtherestof

theworld,PlanningandStandardResearchInstituteofNationalRailwayAdministration,entrustedby

'

NationalRailwayAdministrationofthePeoplesRepublicofChina,organizedthetranslationand

preparationofChineserailwaytechnologyandproductstandards.

LowVibrationTrackComponentsPart1

ThisStandardistheofficialEnglishversionof—:

ConcreteBlock

(TB/T3515.1-2018).TheoriginalChineseversionofthisstandardwasissuedby

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NationalRailwayAdministrationofthePeoplesRepublicofChinaandcameintoeffectonFebruary

1,2019.Incaseofdiscrepanciesbetweenthetwoversions,theChineseversionshallprevail.

'

NationalRailwayAdministrationofthePeoplesRepublicofChinaownsthecopyrightofthis

Englishversion.

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,WangLei,LiuHaozheng,

GuanXinwu,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

………………

ForewordⅢ

………………

1Scope1

………………

2NormativeReferences1

……………

3TechnicalRequirements1

…………………

4InspectionMethods4

……………………

5InspectionRules5

……………

6Marking6

………………………

7StorageandTransportation6

Ⅰ

Foreword

LowVibrationTrackComponents

TB/T3515iscomprisedoffourparts:

———Part1:ConcreteBlock;

———Part2:FasteningSystem;

———Part3:RubberBoot;

———Part4:BlockPad.

ThisisPart1ofTB/T3515.

ThisPartisdraftedinaccordancewiththerulesgiveninGB/T1.1-2009.

Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethe

subjectofpatents.Theissuerofthisdocumentshallnotbeheldresponsibleforidentifyingthese

patents.

ThisPartismanagedbyChinaRailwayEconomicandPlanningResearchInstituteCo.,Ltd.

ThisPartisdraftedbyChinaRailwayFirstSurveyandDesignInstituteGroupCo.,Ltd.,

ChinaRailwayEconomicandPlanningResearchInstitute,andRailwayEngineeringResearch

InstituteofChinaAcademyofRailwaySciencesCorporationLimited.

ThisPartismainlydraftedbyChangDeshi,LiuHua,GuanXinwu,YangQuanliang,WeiZhouchun,

YuPeng,ChangWeihua,ChuWeisong,KongFanbing,FanJia,XiaoJunhengandWangJijun.

Ⅲ

LowVibrationTrackComonents—Part1ConcreteBlock

p:

1Scope

ThisPartspecifiesthetechnicalrequirements,inspectionmethods,inspectionrules,marking,

storageandtransportationofconcreteblocksforlowvibrationtrack(hereinafterreferredtoasthe

blocks).

ThisPartisapplicabletotheblocksforlowvibrationtrackintunnelsofmixedtrafficrailways

withadesignspeedequaltoorlessthan160km/handanaxleloadequaltoorlessthan23t.

2NormativeReferences

Thefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.For

datedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthe

referenceddocument(includinganyamendments)applies.

SteelfortheReinforcementofConcretePart1HotRolledPlainBars

GB1499.1—:

SteelfortheReinforcementofConcretePart2HotRolledRibbedBars

GB1499.2—:

StaticLoadCrackResistanceTestMethodforPrestressedConcreteSleepers

TB/T1879

ConcreteforRailwayConstruction

TB/T3275

TestMethodsforFasteningSystemsofHigh-speedRailwayPart7VerticalLoad

TB/T3396.7—:

TestforCast-inFasteningComponents

LowVibrationTrackComponentsPart2FasteningSystem

TB/T3515.2—:

InspectionSpecificationforStructureConcreteStrengthofRailwayEngineering

TB10425

3TechnicalRequirements

3.1GeneralRequirements

3.1.1

Theblocksshallbemanufacturedaccordingtothedesigndrawingsandthisstandard.

3.1.2

Theblocksshallbemanufacturedinthefactorywhichshallhavethenecessarytooling

equipmentandmatureproductionprocesses.

3.2Materials

3.2.1

PortlandcementorordinaryPortlandcementwithastrengthgradenotlowerthan42.5shall

beused,andearly-strengthcementshallnotbeused.TheAlkalicontentofcementshallnotbe

greaterthan0.60%,thesulfurtrioxidecontentshallnotbegreaterthan3.0%andothertechnical

requirementsshallcomplywithTB/T3275.

3.2.2

Thecontinuousgradedcrushedstonewithaparticlesizeof5mm-20mmshallbeusedas

coarseaggregate,andthecrushedcobbleshallnotbeused.Thesoilcontentshallnotbegreaterthan

0.5%bymassandothertechnicalrequirementsshallcomplywithTB/T3275.

Naturalmedium-coarsefluvialsandshallbeusedasfineaggregate.Thesoilcontentshallnotbe

greaterthan1.5%bymassandothertechnicalrequirementsshallcomplywithTB/T3275.

NeitherAlkali-carbonatereactiveaggregatenorAlkali-silicatereactiveaggregatewithamortar

barexpansionrate(acceleratingmethod)greaterthanorequalto0.20%shallbeused.Beforethe

blocksareputintoproduction,whentheaggregatesourcechangesortheaggregatehasbeenusedfor

·1·

oneyear,thecorrespondingqualifiedinspectioninstitutionshalltestandevaluatethealkalireactivity

oftheaggregateaccordingtothemethodspecifiedinTB/T3275.

3.2.3

ThewatershallcomplywithTB/T3275.

3.2.4

TheadditiveperformanceshallcomplywithTB/T3275.

3.2.5

TheadmixtureperformanceshallcomplywithTB/T3275.

3.2.6

ThehotrolledribbedbarswiththeperformancenotlowerthanHRB400shallbeusedasthe

mainreinforcementofblocks,andtheirperformanceshallcomplywithGB1499.2;theplainbarswith

theperformancenotlowerthanHPB300shallbeusedasthestirrupandtheirperformanceshall

complywithGB1499.1.

3.2.7

TheembeddedironbaseshallcomplywithTB/T3515.2.

3.3Manufacture

3.3.1

Thesteelbarprocessingshallcomplywiththefollowingrequirements:

a)Oilstain,paintdirt,cementpaste,rust,etc.,shallberemovedfromthesteelbarsurface.

b)Steelbarprocessingshallbeconductedatnormaltemperatureinsuchawaythatitsmaterial

isnotdamaged.Thesteelbarshallbebentandshapedbymachinesandtoolsinoneoperation.

c)Thetoleranceshallbe±5mmforsteelbarpositioning,and0mmto+5mmforconcrete

coverthickness.

3.3.2

Concretepreparationandpouringshallcomplywiththefollowingrequirements:

a)Theconcretemixingratioshallbedeterminedbytestsandthecontentofcementitiousmaterialshall

3

notexceed480kg/m.

b)Theforcedmixershallbeusedforconcretemixing.Themixingtimeandthematerialmeasurement

errorshallcomplywithTB/T3275.

c)Beforeconcretepouring,thepositionandspacingofsteelbarsandembeddedironbases,

concretecoverthicknessshallbeverified,andnecessarymeasuresshallbetakentoensure

thecorrectpositionofsteelbars.

d)Concreteshallbepouredcontinuouslyandconsolidatedthroughvibration.

e)Duringconcretepouring,themouldtemperatureshouldrangefrom5℃to35℃.

f)Thetemperatureofconcretemixtureuponpouringintothemouldshallrangefrom5℃to35℃.

g)Beforetrialproduction,theselectedcement,aggregate,admixture,additiveandotherraw

materialsshallbeusedtomakeasetoffreezingresistancespecimensandanothersetof

electricfluxspecimensfordurabilitytests.

h)Duringconcretepouring,theconcretestrengthspecimensandelasticitymodulusspecimens

shallbemadebyrandomsampling,andsuchspecimensshallbeconsolidatedthrough

vibrationandcuredunderthesameconditionsastheblocks.The28dstandardspecimens

shallbecuredunderstandardconditionsafterdemouldingandtheconcretespecimensshallbe

curedunderthesameconditionsastheblocks.

3.3.3

Naturalcuringorsteamcuringmaybeadoptedfortheconcreteandshallcomplywiththe

followingrequirements:

a)Naturalcuringshallbecarriedoutafterconcretepouringandamoisturefilmshallbecovered.The

differenceoftemperaturesatthecoreandatthesurfaceofblocksshallbelessthan15℃,

andtheambienttemperatureforcuringshallrangefrom5℃to35℃.

b)Steamcuringconsistsoffourstages:staticresting,heating,constanttemperaturekeeping

andcooling.Afterconcretepouring,heatingshallbeconductedafterrestingfor2hoursat

anambienttemperaturebetween5℃and35℃.Theheatingrateshallnotexceed15℃/h.

·2·

Thecoretemperatureoftheblocksshallnotbehigherthan55℃underconstanttemperature

andthecoolingrateshallnotexceed15℃/h.Attheendofsteamcuring,thedifference

betweenthesurfacetemperatureofblocksandtheambienttemperatureshallnotexceed

15℃.

c)Temperatureshallbemeasuredduringcuring.Whenthemanufacturerfindouttherelationship

betweenthecoretemperatureofblocksandtheambienttemperature,itcancontrolthecore

temperaturebyregulatingtheambienttemperaturethroughoutthecuringprocess.However,

thecoretemperatureoftheblocks,whichshallberepresentativeofthecorrespondingbatch,shall

bemeasuredonceamonth.

3.3.4

Beforedemoulding,theconcretestrengthofblocksshallnotbelessthan35MPa.After

demoulding,concreteshallbemoisturizedfornotlessthan7daysatanambienttemperaturenotlower

than5℃.

3.4QualityRequirements

3.4.1

TheoutlinedimensionsandappearancequalityofblocksshallcomplywithTable1.

Table1OutlineDimensionalToleranceandAppearanceQualityRequirementsofBlocks

Inspectionquantity

S/NInspectionitemClassRequirementsRoutinetest

Typetest

(eachbatch)

Outlinedimensions

1ToplengthofblockB1±1.0mm10blocks20blocks

2BottomlengthofblockB1±1.0mm10blocks20blocks

3TopwidthofblockB1±1.0mm10blocks20blocks

4BottomwidthofblockB1±1.0mm10blocks20blocks

5TheheightunderthecapB1±1.0mm10blocks20blocks

6TotalheightofblockB1±1.0mm10blocks20blocks

7WidthofrailseatB1±1.0mm10blocks20blocks

8RailcantofrailseatsurfaceB11∶35-1∶4510blocks20blocks

Flatnessofrailseatsurfaceandblock

9B11.0mm10blocks20blocks

bottom

Perpendicularityofembeddedironbase

10B1±1.0°10blocks20blocks

tolongaxisofblock

Perpendicularityofembeddedironbase

11B1±1.0°10blocks20blocks

torailbearingsurfaceofblock

12InnerspacingofembeddedironbaseB1-0.5mm-+1.0mm10blocks20blocks

13ExposedheightofembeddedironbaseB1±1.0mm10blocks20blocks

Appearancequality

Surfacedefects(bughole,peeling,Length:≤10mm

14B2All20blocks

honeycomb,etc.)ofrailseatpartsDepth:≤2mm

Surfacedefects(bughole,peeling,Length:≤30mm

15CAll20blocks

honeycomb,etc.)ofotherpartsDepth:≤5mm

·3·

Table1OutlineDimensionalToleranceandAppearanceQualityRequirementsofBlocks

(continued)

Inspectionquantity

S/NInspectionitemClassRequirementsRoutinetest

Typetest

(eachbatch)

Appearancequality

Cracksonrailseatsurfaceandother

16ANotallowedAll20blocks

surfaces

17MarkingASee3.1.1All20blocks

18MissingedgesorcornersofblockCLength:≤25mmAll20blocks

3.4.2

ThestrengthgradeofconcreteshallnotbelowerthanC50andtheelasticitymodulusof

4

concreteat28dshallnotbelessthan3.45×10MPa.

3.4.3

TheconcretefreezingresistanceindexshallnotbelowerthanF300.

3.4.4

Theelectricfluxofconcreteshallbelessthan1200C.

3.4.53

Thetotalalkalicontentinconcreteshallnotbegreaterthan3.0kg/m.Thetotalchlorideion

contentinconcreteshallnotexceed0.06%ofthetotalcontentofcementitiousmaterials.Thesulfur

trioxidecontentinconcreteshallnotbegreaterthan4.0%ofthetotalcontentofcementitious

D

materials.Fortheblocksusedinchlorideenvironment,thechloriondiffusioncoefficient(RCM)of

-122

concreteat56dshallnotbegreaterthan8×10m/s.

3.4.6

Thepullingresistanceoftheembeddedironbaseshallnotbelessthan60kN.Afterthepull-

outtest,thereshallbenovisiblecracksinthesurroundingconcreteandasmallamountofmortar

strippingisallowed.

3.4.7

Theblocksshallnotcrackwhentheyaretestedforcrackingresistanceunderstaticload.

4InspectionMethods

4.1

Theoutlinedimensionsofblocksshallbeinspectedwithbothspecialandgeneralmeasuring

tools,andtheappearancequalityshallbevisuallyinspectedandmeasuredwithtools.

4.2

Theperformancetestofcement,admixture,coarseandfineaggregate,waterandadditiveshall

becarriedoutaccordingtoTB/T3275.

4.3

TheperformanceofconcretemixtureshallbetestedaccordingtoTB/T3275.

4.4

Thecompressivestrengthofconcreteshallbetestedaccordingtothecubespecimentestmethod

specifiedinTB/T3275andshallbeevaluatedaccordingtoTB10425.Theelasticitymodulusof

concreteshallbetestedaccordingtotheprismspecimentestmethodspecifiedinTB/T3275.The

concretespecimensshallbeformedandcuredunderthesameconditionsastheblocks,andthe28d

standardspecimensforcompressivestrengthtestshallbecuredunderstandardconditionsafter

demoulding.

4.5

TheconcretefreezingresistanceshallbetestedaccordingtoTB/T3275.

4.6

TheelectricfluxofconcreteshallbetestedaccordingtoTB/T3275.

4.7D

Thechloriondiffusioncoefficient(RCM)ofconcreteat56dshallbetestedaccordingtoTB/T3275.

4.8

ThepullingresistanceoftheembeddedironbaseshallbetestedaccordingtoTB/T3396.7.

4.9

Thecrackingresistanceofsub-railcrosssectionofblocksunderstaticloadshallbetested

accordingtoTB/T1879.Thesupportspacingshallbe500mmandthetestvalueofcrackingresistanceunder

staticloadshallbe70kN.

·4·

5InspectionRules

5.1

Theinspectionsoftheblocksincluderoutinetestandtypetest.

5.2

Theroutinetestofblocksshallbeconductedinbatches.Every2000blocksmanufacturedbythe

sameshift,withthesamematerialsandthesameprocessesshallbetakenasabatch.Ifthequantityis

lessthan2000blocks,itshallalsobedeemedasabatch.

5.3

Typetestshallbecarriedoutwhenoneofthefollowingconditionsoccurs:

a)Theblocksareputintoproductionforthefirsttimeortransferredtoanotherplantforproduction;

b)Significantchangesinmaterialsorprocessesduringproduction,whichaffecttheproductperformance;

c)Productionlastsconsecutivelyfor2.5years;

d)Productionhasbeensuspendedformorethanoneyear.

5.4

TheinspectionshallcomplywithTable2.

Table2InspectionRulesforBlocks

S/NInspectionitemJudgmentcriteriaTypetestRoutinetest

1OutlinedimensionsThesamplingquantityandclassareshowninTable1.The√√

blocksshallbedeemedqualifiedifthepassrateof

individualitemofClassAis100%,individualitemof

2AppearancequalityClassB1isnolessthan95%,individualitemofClassB2√√

isnolessthan90%andtotalitemsofClassCisnotless

than90%

Deemedasqualifiedifcomplyingwiththerequirements

3Concretedemouldingstrength(Inroutinetest,asetofblocksshallbetestedforconcrete√√

demouldingstrengthforeachcuringkiln)

Deemedasqualifiedifcomplyingwiththerequirements

428dcompressivestrength(Inroutinetest,asetofblocksshallbetestedfor28d√√

compressivestrengthforeachbatch)

Deemedasqualifiedifcomplyingwiththerequirements

528delasticitymodulus(asetofblocksshallbetestedfor28delasticitymodulus√—

forevery10batches)

6Concretefreezingresistance√—

7Electricfluxofconcrete√—

Deemedasqualifiedifcomplyingwiththerequirements