BS 4449混凝土配筋用钢可焊钢筋棒材丶卷材和开卷产品规范.docx
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BS 4449混凝土配筋用钢可焊钢筋棒材丶卷材和开卷产品规范.docx
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BS4449混凝土配筋用钢可焊钢筋棒材丶卷材和开卷产品规范
BS4449-2009混凝土配筋用钢.可焊钢筋.棒材丶卷材和开卷产品.规范
reinforcingsteel—Bar,coilanddecoiledproduct—SpecificationICS77.14<#990099'>0.15;91.<#990099'>08<#990099'>0.4<#990099'>0Steelforthereinforcementofconcrete—WeldableBS4449:
2<#990099'>0<#990099'>05BRITISHSTANDARD+A2:
2<#990099'>0<#990099'>09
标准分享网.bzfxw4>#ff66ff'>免费下载BS4449:
2<#990099'>0<#990099'>05+A2:
2<#990099'>0ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon3<#990099'>0September2<#990099'>0<#990099'>05?
#990099'>0?
BSI2<#990099'>0<#990099'>09Firstpublished:
BS4449:
April1969BS4461:
March1969Firstrevision:
BS4449:
May1978BS4461:
May1978Secondcombinedversionas:
BS4449:
May1988Thirdcombinedversionas:
BS4449:
May1997ThefollowingBSIreferencesrelatetotheworkonthisBritishStandard:
CommitteereferenceISE/9/1Draftforcomment<#990099'>04/3<#990099'>01<#990099'>09891DCISBN978<#990099'>058<#990099'>0645853BritishPrecastConcreteFederationConcreteSocietyDepartmentofTransport—HighwaysAgencyGalvanizersAssociationInstitutionofStructuralEngineersUKCertificationAuthorityforReinforcingSteelsUKSteelAssociationAmendmentsissuedsincepublicationAmd.No.DateComments171<#990099'>033<#990099'>0April2<#990099'>0<#990099'>07SeeforewordAmd.231March2<#990099'>0<#990099'>09Seeforeword<#990099'>09CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteeISE/9,Steelforconcretereinforcement,toSubcommitteeISE/9/1,Bars,wireandfabricforconcretereinforcement,uponwhichthefollowingbodieswererepresented:
BritishCoatingsFederation
BS4449:
2<#990099'>0<#990099'>05+A2:
2<#990099'>0<#990099'>09?
#990099'>0?
BSI2<#990099'>0<#990099'>09ContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Termsanddefinitions14Symbols35Designations36Steelmakingandmanufacturingprocesses37Productcharacteristics58Evaluationofconformity1<#990099'>09Testmethods131<#990099'>0Identification1311Verificationofpropertiesinthecaseofdispute15AnnexA(normative)Bondtestforribbedreinforcingsteel—Beamtest16AnnexB(normative)Materialnotcoveredbyathirdpartyproductcertificationscheme23AnnexC(normative)Identificationrequirements25Bibliography27Figure1—Ribgeometryexamplewithtworowsoftransverseribs9Figure2—ExampleofribpatternforgradeB5<#990099'>0<#990099'>0A14Figure3—ExampleofribpatternforgradeB5<#990099'>0<#990099'>0B14Figure4—ExampleofribpatternforgradeB5<#990099'>0<#990099'>0C14FigureA.1—DimensionsofthehingeforbeamtypeA(d<16mm)16FigureA.2—DimensionsofthehingeforbeamtypeB(dW16mm)17FigureA.3—BeamtesttypeA(d<16mm)17FigureA.4—BeamtesttypeB(dW16mm)18FigureA.5—BondtesttypeA(d<16mm)—Reinforcementofbeamspecimens2<#990099'>0FigureA.6—BondtesttypeB(dW16mm)—Reinforcementofbeamspecimens21FigureC.1—Exampleofmanufacturer’sidentificationmark(usingwidenedribs)25Table1—Listofsymbols4Table2—Chemicalcomposition(maximum%bymass)5Table3—Conditionsoftestingthemechanicalproperties5Table4—Characteristictensileproperties6Table5—Fatiguetestconditions6Table6—Mandreldiametersforrebendtest7Table7—Nominalcross-sectionalareaandmasspermetre8Table8—Rangesfortheribparameters9Table9—Characteristicrelativeribarea9Table1<#990099'>0—Absoluteminimumandmaximumvaluesoftensileproperties11Table11—Coefficientkasafunctionofthenumbernoftestresults(forareliablefailurerateof5%[p=<#990099'>0.95]ataprobabilityof9<#990099'>0%)12Table12—Coefficientkasafunctionofthenumbernoftestresults(forareliablefailurerateof1<#990099'>0%[p=<#990099'>0.9<#990099'>0]ataprobabilityof9<#990099'>0%)13TableA.1—Seriesofreinforcingsteeldiametersfortestingofbond18TableC.1—Identificationofthecountryoforigin26i
标准分享网.bzfxw#ff66ff'>免费下载BS4449:
2<#990099'>0<#990099'>05+A2:
2iiThisBritishStandardhasbeenpreparedbySubcommitteeISE/9/1.BS4449:
2<#990099'>0<#990099'>05+A2:
2<#990099'>0<#990099'>09supersedesBS4449:
2<#990099'>0<#990099'>05+A1:
2<#990099'>0<#990099'>07,whichiswithdrawn.Thiseditionincorporatesafullrevisionofthestandard.Thecharacteristicyieldstrengthhasbeenincreasedto5<#990099'>0<#990099'>0MPa,andathirdductilityclasshasbeenadded,comparedtoBS4449:
1997.ThestartandfinishoftextintroducedbyAmendmentNo.1andNo.2isindicatedinthetextbytags!
;and#$.Thisstandardnolongercoversplainroundbar.Forsizesuptoandincluding12mmincoil,plainroundwireofgrade25<#990099'>0MPahasbeenincorporatedintoBS4482.Forlargersizes,fordowelbarapplications,referenceshouldbemadetoBSEN1<#990099'>0<#990099'>025-1.Fordowelbarsforuseinconcretepavements,referenceshouldbemadetoBSEN13877-3.ThisstandardhasbeenwrittensothatitcanbeusedinconjunctionwithBSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05.Definitions,symbols,steelmakingandmanufacturingprocesses,routineinspectionandtesting,testmethods,identificationofthemanufacturerandtechnicalclassandverificationofmechanicalpropertiesinthecaseofdisputearealltakenfromBSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05.BSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05doesnotdefinesteelgradesortechnicalclasses,andrequiresthattechnicalclassesshouldbedefinedinaccordancewithBSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05,byspecifiedvaluesofR,R/R,A,R/R(whereappropriate),fatigueemegte,acte,nomstrength,bendperformance,weldability,bondstrength,tolerancesanddimensions.ThethreesteelgradesinthisstandardconformtoalloftherequirementsofBSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05.ThethreegradesinthisstandardalsoconformtothethreerecommendedductilityclassesofBSEN1992-1-1:
2<#990099'>0<#990099'>04,althoughthefatiguerequirementsandthefatiguetestconditionsareretainedfromthepreviousversionofthisstandard.TheonlyexceptiontothisisforgradeB5<#990099'>0<#990099'>0Ainsizesbelow8mm,wheretheductilityrequirementsspecifiedarebelowthoseofBSEN1992-1-1:
2<#990099'>0<#990099'>04.!
Inthepreviousrevisionofthisstandard,bondwasspecifiedbymeansofaprojectedribarea,withapull-outtestspecifiedasanalternativemeansofdemonstratingcompliancewiththebondrequirementsofBS811<#990099'>0-1.Inthisrevision,bondisspecifiedbymeansofarelativeribarea.Asanalternative,abeamtestisprovidedinAnnexA,whichmaybeusedtodemonstratecompliancewithEurocode2.WhereanalternativebondtestisrequiredtodemonstratecompliancewithBS811<#990099'>0-1,thenthepull-outtestmaybeused.Thispull-outtestalternativemayonlybeappliedtosteelsofgradeB5<#990099'>0<#990099'>0A.;BSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05containsaninformativeAnnexZA,whichdescribeshowthatstandardcanbeusedforthepurposesofCEmarkingofreinforcingsteels.AnnexZAand8.2,8.3and8.4ofBSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05relatetotheroleofthenotifiedbodyinassessingproductsforanECcertificateofconformity,andassucharenotincludedinthisstandard.ItisnotarequirementofthisBritishStandardthatmaterialsproducedtoitshouldmeettherequirementsforCEmarking.WhereCEmarkingisrequiredforthepurposesofcomplyingwiththeEUConstructionProductsDirective,BSEN1<#990099'>0<#990099'>08<#990099'>0:
2<#990099'>0<#990099'>05applies.Itisrecommendedthatpurchasersspecifyreinforcingsteelthathasbeenmanufacturedandsuppliedtoarecognizedthirdpartyproductcertificationscheme.8.2specifiesthedeterminationofthelongtermqualitylevelundersuchascheme.Asanalternative,AnnexBprovidesabatchtestingmethodformaterialwhichhasnotbeenproducedundersuchascheme.InBSEN1<#990099'>0<#990099'>08<#990099'>0,theterms“rod”and“wire”areusedtodescribereinforcingsteelincoil.Inthisstandard,thesetermshavenotbeenincludedtoavoidthepotentialforconfusion,particularlywithwireproducedtoBS4482.Thisstandardcomesintoeffecton1January2<#990099'>0<#990099'>06.<#990099'>0<#990099'>09Foreword?
#990099'>0?
BSI2<#990099'>0<#990099'>09
BS4449:
2<#990099'>0<#990099'>05+A2:
2<#990099'>0<#990099'>09Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersareresponsibleforitscorrectapplicationpliancewithaBritishStandardcannotconferimmunityfromlegalobligations.SummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesitoiii,ablankpage,pages1to27andabackcover.TheBSIcopyrightnoticedisplayedinthisdocumentindicateswhenthedocumentwaslastissued.iii?
#990099'>0?
BSI2<#990099'>0<#990099'>09
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BS4449:
2<#990099'>0<#990099'>05+A2:
2<#990099'>0<#990099'>091ScopeThisBritishStandardspecifiesrequirementsforribbedweldablereinforcingsteelusedforthereinforcementofconcretestructures.Thestandardcoverssteeldeliveredintheformofbars,coilsanddecoiledproducts.Thestandardcontainsprovisionsforthreesteelgrades,allof5<#990099'>0<#990099'>0MPacharacteristicyieldstrength,butwithdifferentductilitycharacteristics.ThethreegradesareB5<#990099'>0<#990099'>0A,B5<#990099'>0<#990099'>0BandB5<#990099'>0<#990099'>0C.Theweldabilityrequirementsforallgradesofsteelarespecifiedintermsofthechemicalcompo
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