2023年全國碩士研究生考試考研英語一試題真題（含答案詳解+作文范文）_第1頁
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1、Designation:D5147D5147M?14StardTestMethodsfSamplingTestingModifiedBituminousSheetMaterial1ThisstardisissuedunderthefixeddesignationD5147D5147Mthenumberimmediatelyfollowingthedesignationindicatestheyearofiginaladoptionint

2、hecaseofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.1.Scope1.1Thesetestmethodscoverproceduresfsamplingtestingpr

3、efabricatedreinfcedpolymermodifiedbituminoussheetmaterialsdesignedfsinglemultipleplyapplicationinroofingwaterproofingmembranes.Theseproductsmayusevarioussurfacingmaterialsononeside.1.2Thesetestmethodscoveranumberofdiffer

4、entproducts.Notalltestsarerequiredfeveryproduct.OnlythosecalledoutintheProductStardarerequired.1.3Thesetestmethodsappearinthefollowingder:SectionSampling4Conditioning5Thickness6LoadStrainProperties7TearStrength8MoistureC

5、ontent9WaterAbsption10DimensionalStability11LowTemperatureFlexibility12HeatConditioning13AcceleratedWeathering14GranuleEmbedment15CompoundStability16CoatingThickness17LowTemperatureUnrolling18PrecisionBias191.4Thevaluess

6、tatedineitherSIunitsinchpoundunitsaretoberegardedseparatelyasstard.Thevaluesstatedineachsystemmaynotbeexactequivalentstherefeeachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconf

7、mancewiththestard.1.5Thisstarddoesnotpurpttoaddressallofthesafetyconcernsifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstardtoestablishappropriatesafetyhealthpracticesdeterminetheapplicabilityofregulatyli

8、mitationspritouse.2.ReferencedDocuments2.1ASTMStards:2D95TestMethodfWaterinPetroleumProductsBituminousMaterialsbyDistillationD146TestMethodsfSamplingTestingBitumenSaturatedFeltsWovenFabricsfRoofingWaterproofingD1204TestM

9、ethodfLinearDimensionalChangesofNonrigidThermoplasticSheetingFilmatElevatedTemperatureD4073TestMethodfTensileTearStrengthofBituminousRoofingMembranesD4798PracticefAcceleratedWeatheringTestConditionsProceduresfBituminousM

10、aterials(XenonArcMethod)D4977TestMethodfGranuleAdhesiontoMineralSurfacedRoofingbyAbrasionD5636TestMethodfLowTemperatureUnrollingofFeltSheetRoofingWaterproofingMaterialsD5869PracticefDarkOvenHeatExposureofRoofingWaterproo

11、fingMaterialsD6162SpecificationfStyreneButadieneStyrene(SBS)ModifiedBituminousSheetMaterialsUsingaCombinationofPolyesterGlassFiberReinfcementsD6163SpecificationfStyreneButadieneStyrene(SBS)ModifiedBituminousSheetMaterial

12、sUsingGlassFiberReinfcementsD6164SpecificationfStyreneButadieneStyrene(SBS)ModifiedBituminousSheetMaterialsUsingPolyesterReinfcementsD6222SpecificationfAtacticPolypropylene(APP)ModifiedBituminousSheetMaterialsUsingPolyes

13、terReinfcementsD6223SpecificationfAtacticPolypropylene(APP)ModifiedBituminousSheetMaterialsUsingaCombinationofPolyesterGlassFiberReinfcementsD6298SpecificationfFiberglassReinfcedStyreneButadieneStyrene(SBS)ModifiedBitumi

14、nousSheetswithaFactyAppliedMetalSurface1ThesetestmethodsareunderthejurisdictionofASTMCommitteeD08onRoofingWaterproofingarethedirectresponsibilityofSubcommitteeD08.04onFeltsFabricsBituminousSheetMaterials.Currenteditionap

15、provedJan.12014.PublishedJanuary2014.iginallyapprovedin1991.Lastpreviouseditionapprovedin2011asD5147D5147M–11a.DOI:10.1520D5147_D5147M14.2FreferencedASTMstardsvisittheASTMwebsitewww.astm.gcontactASTMCustomerServiceat.FAn

16、nualBookofASTMStardsvolumeinfmationrefertothestard’sDocumentSummarypageontheASTMwebsite.Copyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959.UnitedStates1Theaboveterms(repeatabilitylimitreprodu

17、cibilitylimit)areusedasspecifiedinPracticeE177.Therespectivestarddeviationsamongtestresultsmaybeobtainedbydividingtheabovelimitvaluesby2.8.6.5.4Bias—Sincethereisnoacceptedreferencematerialsuitablefdeterminingthebiasfthep

18、rocedureinthistestmethodfmeasuringsheetthicknessselvagethicknessnostatementonbiasisbeingmade.7.LoadStrainProperties7.1Thistestmethodcoversthedeterminationoftheloadstrain(tensileelongationstrainenergy)propertiesofpolymerm

19、odifiedbituminoussheets.7.1.1Specimens—Preparefivespecimensfromeachsamplerollinboththelongitudinaltransversedirectionsfeachtemperaturetobetested.Specimensshallbe25mm[1.0in.]widebyaminimumof150mm[6.0in.]longfsheetmaterial

20、shavinganultimateelongationof75%lessat?18C[0F].Specimensshallbe12.5mm[0.5in.]widebyaminimumof100mm[4.0in.]longfmaterialshavinganultimateelongationofgreaterthan75%at?18C[0F].7.1.2Procedure:7.1.2.1Conditioneachspecimenatle

21、ast2hattheedtesttemperature.Ifconditioningisdoneoutsidethemachineclampsallowthespecimentoequilibrateatthetestingtemperaturefatleast15minbefethetestingfceisapplied.7.1.2.2Testspecimensatboth2362C[73.463.6F]?1863C[063.6F].

22、7.1.2.3Useaconstantrateofelongation(CRE)tensiontestingmachinepreferablywithautomaticloadstrainrecdingequipmentclampsthatpermitaunifmclampingpressureonthespecimenwithoutslipping.Theinitialclampseparationshallbe7562mm[3.06

23、0.1in.]fsheetmaterialshavinganultimateelongationof75%lessat?18C[0F]5062mm[2.060.1in.]fsheetmaterialshavinganultimateelongationgreaterthan75%at?18C[0F].7.1.2.4Maintainarateofseparationof50mmmin63%[2.0in.min63%]fspecimenst

24、estedat2362C[73.463.6F]arateofseparationof2.0mmmin63%[0.08in.min63%]fspecimenstestedat?1863C[063.6F].7.1.2.5Analternativeclampingmethodcanbeusedfhightensilematerialsthatslipinconventionaljaws.Clampthespecimeninthejawssot

25、hatthelengthwidthisalignedwiththeaxisofthejaws.7.1.2.6UseacylindricalstopineachjawsuchasshowninFig.2fmembranesdifficulttoclamp.7.1.2.7Recdthepercentelongationofeachspecimenatspecimenbreakalsoatpeakloadusinganextensometer

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