BS 4449-2009 Steel for the reinforcement of concrete — Weldable reinforcing steel — Bar,coil and decoiled product —Specification

BS 4449-2009 Steel for the reinforcement of concrete — Weldable reinforcing steel — Bar,coil and decoiled product —Specification

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時間：2018-11-27

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1、BRITISHSTANDARDBS4449:2005+A2:2009Steelforthereinforcementofconcrete—Weldablereinforcingsteel—Bar,coilanddecoiledproduct—SpecificationICS77.140.15;91.080.40     BS4449:2005+A2:2009CommitteesresponsibleforthisBritishSt

2、andardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteeISE/9,Steelforconcretereinforcement,toSubcommitteeISE/9/1,Bars,wireandfabricforconcretereinforcement,uponwhichthefollowingbodieswererepresented:BritishCoatingsFederationBritishPrecastConcreteFederationConc

3、reteSocietyDepartmentofTransport—HighwaysAgencyGalvanizersAssociationInstitutionofStructuralEngineersUKCertificationAuthorityforReinforcingSteelsUKSteelAssociationThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30September2005?BSI2009Fi

4、rstpublished:BS4449:April1969BS4461:March1969Firstrevision:BS4449:May1978BS4461:May1978Secondcombinedversionas:BS4449:May1988AmendmentsissuedsincepublicationThirdcombinedversionas:BS4449:May1997Amd.No.DateCommentsThefollowingBSIreferences1710330April2007Seeforewordrelatetothewo

5、rkonthisBritishStandard:Amd.231March2009SeeforewordCommitteereferenceISE/9/1Draftforcomment04/30109891DCISBN9780580645853BS4449:2005+A2:2009ContentsPageCommitteesresponsibleInsidefrontcoverForewordii1Scope12Normativereferences13Termsanddefinitions14Symbols35Designations36Steelm

6、akingandmanufacturingprocesses37Productcharacteristics58Evaluationofconformity109Testmethods1310Identification1311Verificationofpropertiesinthecaseofdispute15AnnexA(normative)Bondtestforribbedreinforcingsteel—Beamtest16AnnexB(normative)Materialnotcoveredbyathirdpartyproductcert

7、ificationscheme23AnnexC(normative)Identificationrequirements25Bibliography27Figure1—Ribgeometryexamplewithtworowsoftransverseribs9Figure2—ExampleofribpatternforgradeB500A14Figure3—ExampleofribpatternforgradeB500B14Figure4—ExampleofribpatternforgradeB500C14FigureA.1—Dimensionsof

8、thehingeforbeamtypeA(d<16mm)16FigureA.2—Dimensionsofth

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