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
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