ASTM A722/A722M-2007 预应力混凝土用无涂覆的高强度钢筋的标准规范
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【英文标准名称】:StandardSpecificationforUncoatedHigh-StrengthSteelBarsforPrestressingConcrete
【原文标准名称】:预应力混凝土用无涂覆的高强度钢筋的标准规范
【标准号】:ASTMA722/A722M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:A01.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:deformedbars;high-strengthsteelbars;plainbars;post-tensioning;prestressedconcrete
【摘要】:1.1Thisspecificationcoversuncoatedhigh-strengthsteelbarsintendedforuseinpretensionedandpost-tensionedprestressedconcreteconstructionorinprestressedgroundanchors.Barsareofaminimumultimatetensilestrengthlevelof1035MPa(150000psi).1.2Twotypesofbarsareprovided:TypeIbarhasaplainsurfaceandTypeIIbarhassurfacedeformations.1.3Supplementaryrequirementsofanoptionalnatureareprovided.Theyshallapplyonlywhenspecifiedbythepurchaser.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:H49
【国际标准分类号】:77_140_15
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforCarbonStructuralSteel
【原文标准名称】:结构碳钢的标准规范
【标准号】:ASTMA36/A36M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:结构钢;钢
【英文主题词】:structuralsteels;steels
【摘要】:Thisspecificationcoverscarbonsteelshapes,plates,andbarsofstructuralqualityforuseinriveted,bolted,orweldedconstructionofbridgesandbuildings,andforgeneralstructuralpurposes.Supplementaryrequirementsareprovidedforusewhereadditionaltestingoradditionalrestrictionsarerequiredbythepurchaser.Suchrequirementsapplyonlywhenspecifiedinthepurchaseorder.Whenthesteelistobewelded,aweldingproceduresuitableforthegradedofsteelandintendeduseorserviceistobeuntilized.SeeAppendixX3ofSpecificationA6/A6Mforinformationonweldability.Thevaluesstatedineitherinch-poundunitsorSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemistobeusedindependentlyoftheother,withoutcombiningvaluesinanyway.Thetextofthisspecificationcontainsnotesorfootnotes,orboth,thatprovideexplanatorymaterial.Suchnotesandfootnotes,excludingthoseintablesandfigures,donotcontainanymandatoryrequirements.Forstructuralproductsproducedfromcoilandfurnishedwithoutheattreatmentorwithstressrelievingonly,theadditionalrequirements,includingadditionaltestingrequirementsandthereportingofadditionaltestresults,ofA6/A6Mapply.
【中国标准分类号】:H40
【国际标准分类号】:77_140_10
【页数】:4P.;A4
【正文语种】:英语