ASTM D2290-2008 用分离盘法的塑料或增强塑料管表观环状拉伸强度用的标准试验方法

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【英文标准名称】:StandardTestMethodforApparentHoopTensileStrengthofPlasticorReinforcedPlasticPipebySplitDiskMethod
【原文标准名称】:用分离盘法的塑料或增强塑料管表观环状拉伸强度用的标准试验方法
【标准号】:ASTMD2290-2008
【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】:F17.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparenttensilestrength;hooptensilestrength;plasticpipe;split-diskmethod;Apparenttensilestrength;Highmodulusfibrouscomposites--resin-matrix;Hooptensilestrength;Plasticpipe/tubing/fittings;Resins(composite);Split-diskmethod;Tensil
【摘要】:Splitdisktensiontests,properlyinterpreted,providereasonablyaccurateinformationwithregardtotheapparenttensilestrengthofplasticpipewhenemployedunderconditionsapproximatingthoseunderwhichthetestsaremade.Tensiontestsmayprovidedataforresearchanddevelopment,engineeringdesign,qualitycontrol,acceptanceorrejectionunderspecifications,andforspecialpurposes.Thetestcannotbeconsideredsignificantforapplicationsdifferingwidelyfromtheload-timescaleofthestandardtest.Note18212;ProcedureChasbeenusedonpolyethyleneandpolybutylenepipetoproduceresultsequivalenttoQuickBurstresults(TestMethodD1599)for4in.to8in.pipes.1.1Thistestmethodcoversthedeterminationofthecomparativeapparenttensilestrengthofmostplasticproductsutilizingasplitdisktestfixture,whentestedunderdefinedconditionsofpretreatment,temperature,humidity,andtestmachinespeed.Thistestmethodisapplicabletoreinforced-thermosettingresinpiperegardlessoffabricationmethod.Thistestmethodalsoisapplicabletoextrudedandmoldedthermoplasticpipe.ProcedureAisusedforreinforced-thermosettingresinpipe;ProcedureBisusedforthermoplasticpipeofanysize;ProcedureCisusedforthermoplasticpipewithnominaldiameterof4x00BD;in.andgreater.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:6P.;A4
【正文语种】:英语

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【英文标准名称】:StandardTestMethodforDeterminingAirChangeinaSingleZonebyMeansofaTracerGasDilution
【原文标准名称】:用示踪气体稀释法测定单区内空气变化的标准试验方法
【标准号】:ASTME741-2000(2006)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:E06.41
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airchange;airchangeflow;airchangerate;airchangesperhour;airexchange;airleakage;airleakagerate;concentration;tracergas;concentrationdecay;constantconcentration;constantinjection;envelope;building;exfiltration;infiltration;tr
【摘要】:EffectsofAirChange8212;Airchangeoftenaccountsforasignificantportionoftheheatingorair-conditioningloadofabuilding.Italsoaffectsthemoistureandcontaminantbalancesinthebuilding.Moisture-ladenairpassingthroughthebuildingenvelopecanpermitcondensationandcausematerialdegradation.Anappropriatelevelofventilationisrequiredinallbuildings;oneshouldconsultASHRAEStandard62todeterminetheventilationrequirementsofabuilding.PredictionofAirChange8212;Airchangedependsonthesizeanddistributionofairleakagesites,pressuredifferencesinducedbywindandtemperature,mechanicalsystemoperation,andoccupantbehavior.Airchangemaybecalculatedfromthisinformation,however,manyoftheneededparametersaredifficulttodetermine.Tracergastestingpermitsdirectmeasurementofairchange.UtilityofMeasurement8212;Measurementsofairchangeprovideusefulinformationaboutventilationandairleakage.Measurementsinbuildingswiththeventilationsystemclosedareusedtodeterminewhethernaturalairleakageratesarehigherthanspecified.Measurementswiththeventilationsysteminoperationareusedtodeterminewhethertheairchangemeetsorexceedsrequirements.KnownConditions8212;Knowledgeofthefactorsthataffectairchangemakesmeasurementmoremeaningful.Relatingbuildingresponsetowindandtemperaturerequiresrepetitionofthetestundervaryingmeteorologicalconditions.Relatingbuildingresponsetotheventilationsystemortooccupantbehaviorrequirescontrolledvariationofthesefactors.ApplicabilityofResults8212;Thevaluesforairchangeobtainedbythetechniquesusedinthistestmethodapplytothespecificconditionsprevailingatthetimeofthemeasurement.Airchangevaluesforthesamebuildingwilldifferiftheprevailingwindandtemperatureconditionshavechanged,iftheoperationofthebuildingisdifferent,oriftheenvelopechangesbetweenmeasurementsbecauseofconstructionordeterioration.Todetermineairleakagesites,followPracticeE1186.FanPressurization8212;Arelatedtechnique(TestMethodE779)usesafantopressurizethebuildingenvelope.Measurementsofcorrespondingairflowsandpressuredifferencesacrosstheenvelopecharacterizeenvelopeairtightnessaseithertheairleakagerateunderspecifiedinducedpressuredifferencesortheequivalentleakageareaoftheenvelope.Thesefactorspermitmodelingnaturalairchangeduetowindandtemperaturedifferences.However,directmeasurementofnaturalairchangeisnotpossiblewithTestMethodE779.TestMethodE779permitscomparisonofdifferentbuildings,isolationofleakagesites,andevaluationofretrofitmeasures.1.1Thistestmethodcoverstechniquesusingtracergasdilutionfordeterminingasinglezone''sairchangewiththeoutdoors,asinducedbyweatherconditionsandbymechanicalventilation.Thesetechniquesare:(1)concentrationdecay,(2)constantinjection,and(3)constantconcentration.1.2Thistestmethodisrestrictedtoanysingletracergas.Theassociateddataanalysisassumesthatonecancharacterizethetracergasconcentrationwithinthezonewithasinglevalue.Thezoneshallbeabuilding,vehicle,testcell,oranyconformingenclosure.1.3Useofthistestmetho......
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:17P.;A4
【正文语种】:英语

Product Code:SAE AMS5575
Title:Steel, Corrosion and Heat Resistant, Welded Tubing, 18Cr - 10.5Ni - 0.70Cb (SAE 30347) Solution Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant steel in the form of welded tubing.