ISO 15630-3 2025.docx

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1、InternationalStandardISO15630-3Fourthedition2025-06Steelforthereinforcementandprestressingofconcrete一TestmethodsPart3:PrestressingsteelAcierspourarmatureetlaprecontraintedubetonMethodesdessai一Partie3:AciersdeprecontrainteReferencenumberISO15630-3:2025(en)COPYRIGHTPROTECTEDDOCUMENTISO2025Allrightsres

2、erved.Unlessotherwisespecified,orrequiredinthecontextofitsimplementation,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOa

3、ttheaddressbeloworISO,smemberbodyinthecountryoftherequester.ISOcopyrightofficeCP401Ch.deBlandonnet8CH-1214Vernier,GenevaPhone:+41227490111Email:copyrightiso.orgWebsite:www.iso.orgPublishedinSwitzerlandContentsPageForewordviIntroductionvii1 Scope12 Normativereferences13 Terms,definitionsandsymbols13.

4、1 Termsanddefinitions13.2 Symbols24 Generalprovisionsconcerningtestpieces35 Tensiletest45.1 Testpiece45.2 Testequipment45.3 Testprocedure45.3.1 General45.3.2 Determinationofthemodulusofelasticity56 Bendtest66.1 Testpiece66.2 Testequipment66.3 Testprocedure66.4 Interpretationoftestresults67 Reversebe

5、ndtest77.1 Testpiece77.2 Testequipment77.3 Testprocedure88 Wrappingtest88.1 Testpiece88.2 Testequipment88.3 Testprocedure89 Isothermalstressrelaxationtest89.1 Principleoftest89.2 Testpiece99.3 Testequipment99.3.1 Frame99.3.2 Force-measuringdevice99.3.3 Length-measuringdevice(extensometer)109.3.4 Anc

6、horingdevice109.3.5 Loadingdevice109.4 Testprocedure109.4.1 Provisionsconcerningthetestpiece109.4.2 Applicationofforce109.4.3 Initialforce119.4.4 Forceduringthetest119.4.5 Maintenanceofstrain119.4.6 Temperature119.4.7 Frequencyofforcerecording129.4.8 Frequencyofstrainrecording129.4.9 Durationofthete

7、st1210 Axialforcefatiguetest.1210.1 Principleoftest1210.2 Testpiece1310.3 Testequipment1310.4 Testprocedure1310.4.1 Provisionsconcerningthetestpiece1310.4.2 Stabilityofforceandfrequency1310.4.3 Countingofforcecycles1410.4.4 Frequency1410.4.5 Temperature1410.4.6 Validityofthetest1411 Stresscorrosiont

8、estinasolutionofthiocyanate1411.1 Principleoftest1411.2 Sampleandtestpiece1411.3 Testequipment1411.3.1 Frame1411.3.2 Force-measuringdevice1411.3.3 Time-measuringdevice1511.3.4 Testcellcontainingthetestsolution1511.3.5 Testsolution1511.4 Testprocedure1511.4.1 Provisionsconcerningthetestpieces1511.4.2

9、 Applicationandmaintenanceofferee1611.4.3 Fillingofthetestcell1611.4.4 Temperatureduringthetest1611.4.5 Terminationofthetest1611.4.6 Determinationofmedianlifetimetofracture1612 Deflectedtensiletest1612.1 Principleoftest1612.2 Sampleandtestpieces1612.3 Testequipment1712.3.1 Generaldescription1712.3.2

10、 Dimensions1712.3.3 Anchorages1712.3.4 Mandrel1812.3.5 Loadingdevice1912.4 Testprocedure1913 Chemicalanalysis2014 Measurementofthegeometricalcharacteristics2014.1 Testpiece2014.2 Testequipment2014.3 Testprocedures2014.3.1 Ribmeasurements2014.3.2 Indentationmeasurements2114.3.3 Laylengthofstrand(P)22

11、14.3.4 Straightness2215 Determinationoftherelativeribarea(ZiR)2215.1 General2215.2 Calculationof/R2315.2.1 Relativeribarea2315.2.2 Simplifiedformulae2315.2.3 FormulausedforthecalculationoffR2416 Determinationofdeviationfromnominalmasspermetre2416.1 Testpiece2416.2 Accuracyofmeasurement2416.3 Testpro

12、cedure2517 Testreport25Annex A (informative)Optionsforagreementbetweenthepartiesinvolved26Annex B (informative)Stresscorrosiontestinthiocyanatesolutionwithgalvanostaticcurrent27Annex C (informative)Stresscorrosiontestindistilledwater.33Bibliography38ForewordISO(theInternationalOrganizationforStandar

13、dization)isaworldwidefederationofnationalstandardsbodies(ISOmemberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalor

14、ganizations,governmentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.TheproceduresusedtodevelopthisdocumentandthoseintendedforitsfurthermaintenancearedescribedintheISO

15、/IECDirectives,Part1.Inparticular,thedifferentapprovalcriterianeededforthedifferenttypesofISOdocumentshouldbenoted.ThisdocumentwasdraftedinaccordancewiththeeditorialrulesoftheISO/IECDirectives,Part2(seeWWW.iso.org/directives).ISOdrawsattentiontothepossibilitythattheimplementationofthisdocumentmayinv

16、olvetheuseof（八）patent(三).ISOtakesnopositionconcerningtheevidence,validityorapplicabilityofanyclaimedpatentrightsinrespectthereof.Asofthedateofpublicationofthisdocument,ISOhadnotreceivednoticeof（八）patent(三)whichmayberequiredtoimplementthisdocument.However,implementersarecautionedthatthismaynotreprese

17、ntthelatestinformation,whichmaybeobtainedfromthepatentdatabaseavailableatWWW.iso.org/patents.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.Anytradenameusedinthisdocumentisinformationgivenfortheconvenienceofusersanddoesnotconstituteanendorsement.Foranexplanationofthevoluntarynatu

18、reofstandards,themeaningofISOspecifictermsandexpressionsrelatedtoconformityassessment,aswellasinformationaboutISOsadherencetotheWorldTradeOrganization(WTo)principlesintheTechnicalBarrierstoTrade(TBT工seeWWW.iso.org/iso/foreword.htmLThisdocumentwaspreparedbyTechnicalCommitteeISO/TC17,Steel,Subcommitte

19、eSC16,Steelsforthereinforcementandprestressingofconcrete,mcollaborationwiththeEuropeanCommitteeforStandardization(CEN)TechnicalCommitteeCEN/TC459/SC4,ECISS-EuropeanCommitteeforIronandSteelStandardization,inaccordancewiththeAgreementontechnicalcooperationbetweenISOandCEN(ViennaAgreement).Thisfourthed

20、itioncancelsandreplacesthethirdedition(ISO15630-3:2019),whichhasbeentechnicallyrevised.Themainchangesareasfollows: additionoftheinformativeArmeXBwhichspecifiesastresscorrosiontestinthiocyanatesolutionwithgalvanostaticcurrent; additionoftheinformativeAnneXCwhichspecifiesastresscorrosiontestindistille

21、dwater.AlistofallpartsintheISO15360seriescanbefoundontheISOwebsite.Anyfeedbackorquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.AcompletelistingofthesebodiescanbefoundatWWW.iso.org/members.htmLIntroductionTheaimoftheISO15630seriesistoprovideallrelevanttestmethodsforreinforcing

22、andprestressingsteelsinonestandardseries.Thisdocumentcoversstandardtestmethods,aswellasspecializedtestmethodsthatarenotcommonlyusedinroutinetestingandthatshouldonlybeconsideredwhererelevant(Orspecified)intheapplicableproductstandard.ReferenceismadetoInternationalStandardsonthetestingofmetals,ingener

23、al,astheyareapplicable.Complementaryprovisionshavebeengivenifneeded.AlistofoptionsforagreementbetweenthepartiesinvolvedisprovidedinAnneXA.Steelforthereinforcementandprestressingofconcrete一Testmethods一Part3:Prestressingsteel1 ScopeThisdocumentspecifiestestmethodsapplicabletoprestressingsteel(bar,wire

24、orstrand)forconcrete.Thisdocumentdoesnotcoverthesamplingconditionsthataredealtwithintheproductstandards.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedr

25、eferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO4957,ToolsteelsISO4965-llMetallicmaterialsDynamicforcecalibrationforuniaxialfatiguetestingPart1:TestingsystemsISO4965-2,MetallicmaterialsDynamicforcecalibrationforuniaxialfatiguetestingPart2:Dynamiccalibrationdevice(

26、DCD)instrumentationISO6508-1,MetallicmaterialsRockwellhardnesstestPart1:TestmethodISO6892-1,MetallicmaterialsTensiletestingPart1:MethodoftestatroomtemperatureISO7500-1,MetallicmaterialsCalibrationandverificationofstaticuniaxialtestingmachinesPart1:Tension/compressiontestingmachinesCalibrationandveri

27、ficationoftheforce-measuringsystemISO7801,MetallicmaterialsWireReversebendtestISO7802,MetallicmaterialsWireWrappingtestISO9513,MetallicmaterialsCalibrationOfextensometersystemsusedinuniaxialtestingISO16020,SteelforthereinforcementandprestressingofconcreteVocabulary3 Terms,definitionsandsymbols3.1 Te

28、rmsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninISO16020apply.ISOandIECmaintainterminologicaldatabasesforuseinstandardizationatthefollowingaddresses: ISOOnlinebrowsingplatform:availableathttps:WWW.iso.org/obp IECElectropedia:availableathttps:WWW.electropedia.org/3.2Symbols

29、Forthepurposesofthisdocument,thefollowingsymbolsapply.SymbolUnitDescriptionReferenceQmmmRibheightatthemid-point14.3.15.2QmaXmmMaximumheightofribordepthofindentation14.3as,immAverageheightofaportioniofaribsubdividedintoPpartsoflength/15.2al4mmRibheightatthequarter-point14.3,15.2c734mmRibheightattheth

30、ree-quarterspoint14.3,15.2A%Percentageelongationafterfracture5.1,5.34gt%PercentagetotalextensionatmaximumforceCIaUSe5Ar%Percentageuniformelongationafterfracture5.3bmmWidthoftransverseribatthemid-point14.3.1.6CmmRiborindentationspacing14.3CmmGroovewidthatnominaldiameterofthemandrel,d,ausedforthedefle

31、ctedtensiletest12.3.4dmmNominaldiameterofthebar,wireorstrand5.3.1,7.2.Table3.10.4.6,Table4mmNominaldiameterofthemandrelusedforthedeflectedtensiletest12.3.4mmDiametertobeobtainedafterplacingtwogaugecylindersinthegrooveofthemandrelusedforthedeflectedtensiletest12.3.4demmDiameterofthegaugecylinderusedf

32、orthedeflectedtensiletest12.3.4mmDiameterofguidehole7.2dimmInnerdiameterofthegrooveofthemandrelusedforthedeflectedtensiletest12.3.4D%Averagecoefficientofreductionofthemaximumforceinthedeflectedtensiletest12.2,12.4DCmmInnerdiameterofthetestcellinthestresscorrosiontest11.3.4Di%Individualpercentageofre

33、ductionofthemaximumforceinthedeflectedtensiletest12.4DmmmDiameterofthemandrelofthebendingdeviceinthebendtestFigUre2emmAveragegapbetweentwoadjacentribsorindentationrows14.3.1.4l1413i2i5EMPaModulusofelasticity5.2,5.3fHzFrequencyofforcecyclesintheaxialforcefatiguetest10.1.10.4.2/rRelativeribareaCIaUSe1

34、5Fa,iNIndividualbreakingforceinthedeflectedtensiletest12.4FmNMaximumforceinthetensiletest5.3FmNMeanvalueofthemaximumforce9211.2.12212.4FPO,1N0,1%proofforce,plasticextension5.2.5.3FPO,2N0,2%proofforce,plasticextension525.3FrNForcerangeintheaxialforcefatiguetestFigUre6,10.3,10.4.2%NResidualforceinthet

35、estpieceattimetintheisothermalstressrelaxationtest9.1AFrtNForcelossinthetestpieceattimetintheisothermalstressrelaxationtest9.1FRmm2AreaOflongitudinalsectionofonerib15.2式UPNUpperforceintheaxialforcefatiguetestFigUre6,10.3,10.4.2SymbolUnitDescriptionReferenceF0NInitialforceintheisothermalstressrelaxat

36、iontestandthestresscorrosiontest9.1,9.2,9.3,9.4,11.1,11.2,11.4.2GmmDepthofthegrooveofthemandrelusedforthedeflectedtensiletest12.3.4hmmDistancefromthetoptangentialplaneofcylindricalsupportstothebottomfaceoftheguide7.2hbmmBowheightintheplaneofthebow14.3.4ImmLengthofindentation14.324LtmmLengthofthetest

37、pieceinthestresscorrosiontest11.2LOmmGaugelength(withoutforceonthetestpiece)intheisothermalstressrelaxationtestLengthofthetestpieceincontactwiththesolutioninthestresscorrosiontest9.1,9.3,9.411.2,11.3.4,11.4.1,11.4.3,11.4.5LlmmLengthofthepassivesideinthedeflectedtensiletest12.3.2mmLengthoftheactivesi

38、deinthedeflectedtensiletest12.3.2m,nCoefficientsornumbers9.4.9,14.3,15.2PmmLaylengthofastrand14.3.3P%Relaxation949rmmRadiusofcylindricalsupports7.2RmmRadiusatthebaseofthemandrelusedforthedeflectedtensiletest12.3.4rlmmDistancebetweenthegripsandthegaugelengthforthemanualmeasurementofi4gt5.3r2mmDistanc

39、ebetweenthefractureandthegaugelengthforthemanualmeasurementofi4gt5.3RamSurfaceroughnessofthemandrelusedforthedeflectedtensiletest12.3.4Snmm2Nominalcross-sectionalareaofthetestpiece5.3.2thTimeforrelaxationtest949tahMaximumagreedtimeforthestresscorrosiontest1145tf,ihIndividuallifetimetofractureinthest

40、resscorrosiontest11.4.5mhMedianlifetimetofractureinthestresscorrosiontest11.4.6toSStartingtimeintheisothermalstressrelaxationtestandinthestresscorro-siontest9.4.2,11.4ymmDistancefromaplane,definedbytheaxesofthecylindricalsupports,tothenearestpointofcontactwiththetestpieceFigUre3%mm3Volumeoftestsolut

41、iontofillthetestcellinthestresscorrosiontest1L43Z%Percentagereductionofarea5.3.1OAngleofdeviationinthedeflectedtensiletest12.3.2ORiborindentationangletothebarorwireaxis14.3ValueofthestrainforaforceequaltoxFm5.3.2P%Relaxation9.4.9,mmPartofthecircumferencewithoutindentationorrib14.3.1.4,14.3.2.5,15.2N

42、OTElMPa=lNmm2.4 GeneralprovisionsconcerningtestpiecesUnlessotherwiseagreedorspecifiedintheproductstandard,thesamplesshallbetakenfromthefinishedproductbeforepackaging.ISO2025-AllrightsreservedSpecialcareshouldbetakenwhensamplesaretakenfromthepackagedproduct(e.g.coilorbundle)inordertoavoidplasticdefor

43、mation,whichcanchangethepropertiesofthesamplesusedtoprovidethetestpieces.Specificcomplementaryprovisionsconcerningthetestpiecesareindicatedintherelevantclausesofthisdocument,ifneeded.5 Tensiletest5.1 TestpieceInadditiontothegeneralprovisionsgiveninClause4,thefreelengthofthetestpieceshallbesufficient

44、forthedeterminationofthepercentagetotalextensionatmaximumforce(gt)inaccordancewith5.3.1.Ifthepercentageelongationafterfractureisdeterminedmanually,thetestpieceshallbemarkedinaccordancewithISO6892-1.Ifthepercentagetotalextensionatmaximumforce(ZgJisdeterminedbythemanualmethodforabarorwire,equidistantm

45、arksshallbemadeonthefreelengthofthetestpiece(seeISO6892-1).Thedistancebetweenthemarksshallbe20mm,10mmor5mm,dependingonthetestpiecediameter.5.2 TestequipmentThetestequipmentshallbeverifiedandcalibratedinaccordancewithISO7500-1andshallbeatleastofclass1.Ifanextensometerisused,itshallbeofclass1inaccorda

46、ncewithISO9513forthedeterminationofE,Fp01orFp02;forthedeterminationofAgt,aclass2extensometer(seeISO9513)maybeused.Gripsshallbesuchastoavoidbreaksinorverynearthegrips.5.3 Testprocedure5.3.1 GeneralThetensiletestforthedeterminationofthemodulusofelasticity(F),0,1%and0,2%proofforce(Fp01andF02,maximumforce(哈),percentagetotalextensiona