BS 4466-1989 混凝土用钢筋的配筋图表编制、尺寸选定、弯曲和切割规范
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来源:标准资料网
【英文标准名称】:Specificationforscheduling,dimensioning,bendingandcuttingofsteelreinforcementforconcrete
【原文标准名称】:混凝土用钢筋的配筋图表编制、尺寸选定、弯曲和切割规范
【标准号】:BS4466-1989
【标准状态】:作废
【国别】:英国
【发布日期】:1989-07-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:形状;角(几何学);半径;标签;混凝土;结构钢;设计;代码;技术文献;切削;钢;作标记;加强材料;弯曲;钢筋;尺寸;检验
【英文主题词】:technicaldocuments;shape;labels;bending;steels;reinforcingmaterials;codes;design;dimensions;reinforcingsteels;marking;radius;concretes;angles(geometry);inspection;cutting;structuralsteels
【摘要】:
【中国标准分类号】:P27
【国际标准分类号】:77_140_60
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforHigh-StrengthZinc-Coated(Galvanized)SteelCoreWireforAluminumandAluminum-AlloyConductors,SteelReinforced
【原文标准名称】:铝和铝合金导线用高强度镀锌(电镀)钢芯线的标准规范
【标准号】:ASTMB606-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B01.05
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:coatedsteelwire;highstrengthsteelwire;steelcorewire;steelwire;zinc-coatedsteelwire;Aluminumelectricalconductors--specifications;High-strengthsteelwire--specifications;Steel-reinforcedelectricalconductors--specifications;UNSA913
【摘要】:1.1Thisspecificationcoversround,high-strength,zinc-coated(galvanized),steelcorewirewithClassAzinccoating(GA3)foruseinoverheadelectricalconductors..1.2Thisspecificationcoverswireofdiameterfrom0.0500to0.1900in.inclusiveor1.27to4.82mminclusive.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.
【中国标准分类号】:H49
【国际标准分类号】:29_060_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMagneticPropertiesofHigh-CoercivityPermanentMagnetMaterialsUsingHysteresigraphs
【原文标准名称】:使用磁滞曲线记录仪测试高矫顽磁力永磁材料磁性的标准试验方法
【标准号】:ASTMA977/A977M-2007
【标准状态】:现行
【国别】:
【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】:A06.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coercivefieldstrength;coercivity;hysteresigraph;induction;magnetic;magneticmaterial;magnetictest;permanentmagnets;permeameter;remanence
【摘要】:1.1Thistestmethodcovershowtodeterminethemagneticcharacteristicsofmagneticallyhardmaterials(permanentmagnets),particularlytheirinitialmagnetization,demagnetization,andrecoilcurves,andsuchquantitiesastheresidualinduction,coercivefieldstrength,kneefield,energyproduct,andrecoilpermeability.Thistestmethodissuitableforallmaterialsprocessedintobulkmagnetsbyanycommonfabricationtechnique(casting,sintering,rolling,molding,andsoforth),butnotforthinfilmsorformagnetsthatareverysmallorofunusualshape.Uniformityofcomposition,structure,andpropertiesthroughoutthemagnetvolumeisnecessarytoobtainrepeatableresults.Particularattentionispaidtotheproblemsposedbymodernmaterialscombiningveryhighcoercivitywithhighsaturationinduction,suchastherare-earthmagnets,forwhicholdertestmethods(seeTestMethodA341)areunsuitable.AnapplicableinternationalstandardisIECPublication60404-5.1.2Themagneticsystem(circuit)inadeviceormachinegenerallycomprisesflux-conductingandnonmagneticstructuralmemberswithairgapsinadditiontothepermanentmagnet.Thesystembehaviordependsonpropertiesandgeometryofallthesecomponentsandontheoperatingtemperature.Thistestmethoddescribesonlyhowtomeasurethepropertiesofthepermanentmagnetmaterial.Thebasictestmethodincorporatesthemagneticspecimeninamagneticcircuitwithaclosedfluxpath.Testmethodsusingringsamplesorframescomposedentirelyofthemagneticmaterialtobecharacterized,ascommonlyusedformagneticallysoftmaterials,arenotapplicabletopermanentmagnets.1.3ThistestmethodshallbeusedinconjunctionwithPracticeA34/A34M.1.4Thevaluesandequationsstatedincustomary(cgs-emuorinch-pound)orSIunitsaretoberegardedseparatelyasstandard.Withinthistestmethod,SIunitsareshowninbracketsexceptforthesectionsconcerningcalculationswherethereareseparatesectionsfortherespectiveunitsystems.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththistestmethod.1.5Thenamesandsymbolsofmagneticquantitiesusedinthistestmethod,summarizedinTable1,arethosegenerallyacceptedbytheindustry.1.6ThistestmethodisusefulformagnetmaterialshavingHcivaluesbetweenabout100Oeand35kOe[8kA/mand2.8MA/m],andBrvaluesintheapproximaterangefrom500Gto20kG[50mTto2T].High-coercivityrare-earthmagnettestspecimensmayrequiremuchhighermagnetizingfieldsthaniron-coreelectromagnetscanproduce.Suchsamplesmustbepremagnetizedexternallyandtransferredintothemeasuringyoke.Typicalvaluesofthemagnetizingfields,Hmag,requiredforsaturatingmagnetmaterialsareshowninTableA2.1.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H21
【国际标准分类号】:29_030
【页数】:12P.;A4
【正文语种】:
