BS 3182 Pt.6-1984 纺织机械与附件.综片、综纩与钢筘.第6部分:有综织机用综丝杆和C形综耳的尺寸规范

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【英文标准名称】:StandardSpecificationfor19WireCombinationUnilay-StrandedAluminumConductorsforSubsequentInsulation
【原文标准名称】:次级绝缘用19股单绞捻1350型铝导线标准规范
【标准号】:ASTMB786-2002a
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:B01.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电缆;捆线;绞线;绝缘;铝线
【英文主题词】:aluminumalloyconductors;aluminumelectricalconductors;combinationstrandedconductor;electricalconductor;electricalconductor-aluminum;insulatedelectricalconductor;strandedconductor;unilaystrandedconductor;8000-seriesaluminumalloyconductors;
【摘要】:1.1Thisspecificationcoversbarecombinationunilay-strandedconductorsmadefromroundwiresofaluminum1350and8000seriesofaluminumalloys,forinsulatedconductorsforelectricalpurposes.Aluminum1350wiresintempers-H19(extrahard),-H16or-H26(3/4hard),-H14or-H24(1/2hard),and-H142or-H242(1/2hard)and8000seriesaluminumalloyswiresintempers"0"andH1XorH2Xarepermitted.Theseconductorsshallbeconstructedwithacentralcorewiresurroundedbytwolayersofhelicallylaidwires,resultinginanouterdiameterequaltothecompressed-strandedequivalentconductors.Note18212;Forthepurposeofthisspecification,combinationunilayconductorisdefinedasfollows:acentralcorewiresurroundedbyalayerofsixhelicallylaidwiresofthesamediameterasthecorewirewithahelicallylaidouterlayercontainingsixsmallerwiresalternatedbetweensixwiresofthesamediameterasthewiresinthelayerunderneath.Bothlayershaveacommonlengthanddirectionoflay(seeFig.1).1.1.1Forthepurposeofthisspecification,normalconductorclassification(ClassAA,A,B,C)isnotapplicable,astheseconductorsareintendedforsubsequentinsulation.Thedescriptivetermcombinationunilay-strandedshallbeusedinplaceofconductorclassification(Note2andNote3).Note28212Priorto1975,aluminum1350wasdesignatedasECaluminum.Note38212;ThealuminumandtemperdesignationsconformtoANSIStandardH35.1.Aluminum1350correspondstoUnifiedNumberingSystemA91350inaccordancewithPracticeE527.UnifiedNumberingSystemalloydesignationsfor8000SeriesaluminumalloysinaccordancewithPracticeE527arelistedinTable1ofSpecificationB800.1.2Thevaluesstatedininch-poundorSIunitsaretoberegardedseparatelyasstandard.Thevaluesineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.1.2.1Fordensity,resistivityandtemperature,thevaluesstatedinSIunitsaretoberegardedasstandard.
【中国标准分类号】:K12
【国际标准分类号】:29_060_20
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:StandardTestMethodforWindResistanceofConcreteandClayRoofTiles(WindTunnelMethod)
【原文标准名称】:混凝土和粘土屋面瓦抗风性的标准试验方法(风洞法)
【标准号】:ASTMC1569-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:C15.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:clayrooftile;concreterooftile;plenumchamber;simulatedwind;upliftresistance;windresistance;windtunnelmethod;Clayrooftile;Concreteroofing/waterproofingmaterials;Concreterooftile;Plenumchamber;Roofingmaterials/applications;
【摘要】:Itisknownthattheobservedeffectsofwindsimulatedinawind-tunnelapparatusarerelatedtotheeffectsobservedfromnaturalwind.Theresistanceoftilestosimulatedwindinthistestrelatestotheresistanceofthetilestotheeffectsofnaturalwindwhentheyareappliedtoaroof.Onefactorintheresistanceofthetilestotheeffectsofbothnaturalandsimulatedwindisthemethodofattachmentspecifiedinthemanufacturer''sinstructions.Thistestmethoddeterminestheupliftforcesactingasaresultofthesimulatedwindwhentileareattachedtoasectionofroofdeckinaccordancewiththemanufacturer''sinstructions.Naturalwindconditionsdifferwithrespecttointensity,duration,andturbulence;theseconditionsarebeyondthemeansofthistestmethodtosimulate.1.1Thistestmethodcoversaproceduretodeterminetheresistanceofconcreteandclayrooftilestosimulatedwindeffectsinawind-tunnelapparatus.Simulatedwindvelocitiesof70mph(31m/s)to130mph(58m/s)areemployed.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:4P.;A4
【正文语种】:英语