ANSI/IEEE 62-1995 电力设备的诊断现场试验指南.第1部分:充油电力变压器、调节器和电抗器
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【英文标准名称】:GuideforDiagnosticFieldTestingofElectricPowerApparatus–Part1:OilFilledPowerTransformers,Regulators,andReactors
【原文标准名称】:电力设备的诊断现场试验指南.第1部分:充油电力变压器、调节器和电抗器
【标准号】:ANSI/IEEE62-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:变压器;电力变压器
【英文主题词】:Distributiontransformers;Electricalengineering;Electricalinsulatingmaterials;Inspection;Insulatingmaterials;Measurement;Measuringtechniques;Oil-filledelectricalequipment;Oil-immersedtransformers;Powertransformers;Safety;Shuntreactors;Testing;Transformers
【摘要】:Thisguidedescribesdiagnostictestsandmeasurementswhichareperformedinthefieldonoil-immersedpowertransformersandregulators.Wheneverpossible,shuntreactorsaretreatedinasimilarmannertotransformers.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:
【正文语种】:英语
【英文标准名称】:Aerospaceseries-Siliconerubber(VMQ)-Hardness60IRHD;GermanversionEN2260:1995
【原文标准名称】:航空航天系列.硅树脂橡胶(VMQ).硬度为:60国际橡胶硬度标度;德文版本EN2260:1995
【标准号】:DINEN2260-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料;航天运输;合成橡胶;航空航天运输;弹性体;硅酮橡胶;硫化橡胶;硅;航空运输;名称与符号;应用;处理;橡胶;硅氧烷;试验;非金属;特性;物理性能
【英文主题词】:Aeronauticalengineering;Aerospacetransport;Airtransport;Designations;Elastomers;Hardness;IRHD;Materials;Non-metals;Physicalproperties;Plastics;Processing;Properties;Rubber;Silicone;Siliconeelastomers;Siliconerubber;Silicones;Spacetransport;Syntheticrubber;Testing;Use;VMQelastomer;Vulcanizedrubber
【摘要】:Thedocumentspecifiesthepropertiesofsiliconerubber(VMQ),hardness60IRHD,foraerospaceapplications.
【中国标准分类号】:V13;G34
【国际标准分类号】:49_025_40
【页数】:7P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodsforIn-PlaceDensityofUnhardenedandHardenedConcrete,IncludingRollerCompactedConcrete,ByNuclearMethods
【原文标准名称】:用核法测定硬化和未硬化混凝土(包括辗实混凝土)实体密度的标准试验方法
【标准号】:ASTMC1040/C1040M-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】:C09.45
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:acceptancetesting;backscattermeasurement;concrete-density;density;directtransmissionmeasurement;gammaradiation;in-placedensity;nucleartesting;roller-compactedconcrete;Backscatteringanalysis;Density--concrete;Directtransmission
【摘要】:Thesetestmethodsareusefulasrapid,nondestructivetechniquesforthein-placedeterminationofthedensityofunhardenedconcrete.Thebackscattertestmethodisalsousefulforthesamepurposeonhardenedconcrete.ThefundamentalassumptionsinherentinthetestmethodsarethatComptonscatteringisthedominantinteractionandthatthematerialundertestishomogeneous.Thesetestmethodsaresuitableforcontrolandforassistinginacceptancetestingduringconstruction,forevaluationofconcretequalitysubsequenttoconstruction,andforresearchanddevelopment.Note18212;Caremustbetakenwhenusingthesetestmethodsinmonitoringthedegreeofconsolidation,whichistheratiooftheactualdensityachievedtothemaximumdensityattainablewithaparticularconcrete.Thetestmethodspresentedhereareusedtodeterminetheactualdensity.Adensitymeasurement,byanytestmethod,isafunctionofthecomponentsoftheconcreteandmayvary,tosomeextent,inresponsetothenormal,acceptablevariabilityofthosecomponents.Testresultsmaybeaffectedbyreinforcingsteel,bythechemicalcompositionofconcreteconstituents,andbysampleheterogeneity.Thevariationsresultingfromtheseinfluencesareminimizedbyinstrumentdesignandbytheuser''scompliancewithappropriatesectionsofthetestprocedure.Resultsoftestsbythebackscattertestmethodmayalsobeaffectedbythedensityofunderlyingmaterial.Thebackscattertestmethodexhibitsspatialbiasinthattheapparatus''ssensitivitytothematerialunderitdecreaseswithdistancefromthesurfaceoftheconcrete.Note28212;Typically,backscattergaugereadingsrepresentthedensityinthetop75to100mm[3to4in.]ofmaterial.1.1Thesetestmethodscoverthedeterminationofthein-placedensityofunhardenedandhardenedconcrete,includingrollercompactedconcrete,bygammaradiation.FornotesonthenucleartestseeAppendixX1.1.2Twotestmethodsaredescribed,asfollows:
Section
TestMethodAx2014;DirectTransmissionTestMethodBx2014;Backscatter
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