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1、Designation:E331?00(Reapproved2009)StardTestMethodfWaterPerationofExteriWindowsSkylightsDosCurtainWallsbyUnifmStaticAirPressureDifference1ThisstardisissuedunderthefixeddesignationE331thenumberimmediatelyfollowingthedesig
2、nationindicatestheyearofiginaladoptioninthecaseofrevisiontheyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperepsilon()indicatesaneditialchangesincethelastrevisionreapproval.Thisstardhasbeenap
3、provedfusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthedeterminationoftheresistanceofexteriwindowscurtainwallsskylightsdostowaterperationwhenwaterisappliedtotheoutdofaceexposededgessimultaneouslywi
4、thaunifmstaticairpressureattheoutdofacehigherthanthepressureattheindoface.1.2Thistestmethodisapplicabletoanycurtainwallareatowindowsskylightsdosalone.1.3Thistestmethodaddresseswaterperationthroughamanufacturedassembly.Wa
5、terthatperatestheassemblybutdoesnotresultinafailureasdefinedhereinmayhaveadverseeffectsontheperfmanceofcontainedmaterialssuchassealantsinsulatinglaminatedglass.Thistestmethoddoesnotaddresstheseissues.1.4Theproperuseofthi
6、stestmethodrequiresaknowledgeoftheprinciplesofpressuremeasurement.1.5ThevaluesstatedinSIunitsaretoberegardedasthestard.Thevaluesgiveninparenthesesaremathematicalconversionstoinchpoundunitsthatareprovidedfinfmationonlyare
7、notconsideredstard.1.6Thisstarddoesnotpurpttoaddressallofthesafetyconcernsifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstardtoestablishappropriatesafetyhealthpracticesdeterminetheapplicabilityofregulatyl
8、imitationspritouse.Fspecifichazardstatementssee7.1.2.ReferencedDocuments2.1ASTMStards:2E631TerminologyofBuildingConstructions3.Terminology3.1Definitions—Fdefinitionsofgeneraltermsrelatingtobuildingconstructionusedinthist
9、estmethodseeTerminologyE631.3.2DefinitionsofTermsSpecifictoThisStard:3.2.1specimenn—theentireassembledunitsubmittedftestasdescribedinSection8.3.2.2testpressuredifferencen—thespecifieddifferenceinstaticairpressureacrossth
10、eclosedlockedfixedspecimenexpressedaspals(lbfft2).3.2.3waterperationn—perationofwaterbeyondaplaneparalleltotheglazing(theverticalplane)intersectingtheinnermostprojectionofthetestspecimennotincludinginteritrimhardwareunde
11、rthespecifiedconditionsofairpressuredifferenceacrossthespecimen.Fproductswithnonplanerglazingsurfaces(domesvaultspyrasetc.)theplanedefiningwaterperationistheplanedefinedbytheinnermostedgesoftheunitframe.4.SummaryofTestMe
12、thod4.1Thistestmethodconsistsofsealingthetestspecimenintoagainstonefaceofatestchambersupplyingairtoexhaustingairfromthechamberattheraterequiredtomaintainthetestpressuredifferenceacrossthespecimenwhilesprayingwaterontothe
13、outdofaceofthespecimenattherequiredrateobservinganywaterperation.1ThistestmethodisunderthejurisdictionofASTMCommitteeE06onPerfmanceofBuildingsisthedirectresponsibilityofSubcommitteeE06.51onPerfmanceofWindowsDosSkylightsC
14、urtainWalls.CurrenteditionapprovedFeb.12009.PublishedMarch2009.iginallyapprovedin1967.Lastpreviouseditionapprovedin2000asE331–00.DOI:10.1520E033100R09.2FreferencedASTMstardsvisittheASTMwebsitewww.astm.gcontactASTMCustome
15、rServiceat.FAnnualBookofASTMStardsvolumeinfmationrefertothestard’sDocumentSummarypageontheASTMwebsite.Copyright?ASTMInternational100BarrHarbDrivePOBoxC700WestConshohockenPA194282959.UnitedStates16.2.2AirSystem—Acontrolla
16、bleblowercompressedairsupplyexhaustsystemreversibleblowerdesignedtoprovidetherequiredmaximumairpressuredifferenceacrossthespecimen.Thesystemmustprovideessentiallyconstantairflowatafixedpressureftherequiredtestperiod.6.2.
17、3PressureMeasuringApparatus—Adevicetomeasurethetestpressuredifferencewithinatoleranceof62%62.5Pa(60.01in.ofwatercolumn)whicheverisgreater.6.2.4WaterSpraySystem—Thewaterspraysystemshalldeliverwaterunifmlyagainsttheexteris
18、urfaceofthetestspecimenataminimumrateof3.4Lm2min(5.0U.S.galft2h).6.2.4.1Thewaterspraysystemshallhavenozzlesspacedonaunifmgridlocatedataunifmdistancefromthetestspecimenshallbeadjustabletoprovidethespecifiedquantityofwater
19、insuchamannerastowetallofthetestspecimenunifmlytowetthoseareasvulnerabletowaterperation.Ifadditionalnozzlesarerequiredtoprovideunifmityofwatersprayattheedgeofthetestspecimentheyshallbeequallyspacedaroundtheentirespraygri
20、d.7.Hazards7.1Warning—Glassbreakagewillnotnmallyoccuratthesmallpressuredifferencesappliedinthistest.Excessivepressuredifferencesmayoccurhoweverduetoerrinoperationwhentheapparatusisusedfotherpurposessuchasstructuraltestin
21、gtherefeexerciseadequateprecautionstoprotectpersonnel.8.TestSpecimen8.1Testspecimensshallbeofsufficientsizetodeterminetheperfmanceofalltypicalpartsofthefenestrationsystem.Fcurtainwallswallsconstructedwithprefabricateduni
22、tsthespecimenwidthshallbenotlessthantwotypicalunitsplustheconnectionssupptingelementsatbothsidessufficienttoprovidefullloadingonatleastonetypicalverticaljointframingmemberboth.Theheightshallbenotlessthanthefullbuildingst
23、yheighttheheightoftheunitwhicheverisgreatershallincludeatleastonefullhizontaljointaccommodatingverticalexpansionsuchjointbeingatnearthebottomofthespecimenallconnectionsatthetopbottomoftheunits.8.1.1Allpartsofthetestspeci
24、menshallbefullsizeusingthesamematerialsdetailsmethodsofconstructionanchageasusedontheactualbuilding.8.1.2Conditionsofstructuralsupptshallbesimulatedasaccuratelyaspossible.8.2Windowskylightdoothercomponenttestspecimenssha
25、llconsistoftheentireassembledunitincludingframeanchageassuppliedbythemanufacturerfinstallationinthebuilding.8.2.1Ifonlyonespecimenistobetestedtheionshallbedeterminedbythespecifyingauthity.NOTE3—Itshouldberecognizedespeci
26、allywithwindowsthatperfmanceislikelytobeafunctionofsizegeometry.Therefespecimenscoveringtherangeofsizestobeusedinabuilding.Ingeneralthelargestsizeofaparticulardesigntypeconstructionconfigurationtobeusedshouldbetested.9.C
27、alibration9.1Theabilityofthetestapparatustomeettherequirementsof6.2.4shallbecheckedbyusingacatchboxtheopenfaceofwhichshallbelocatedatthepositionofthefaceofthetestspecimen.ThecalibrationdeviceisillustratedinFig.2.Thecatch
28、boxshallbedesignedtoreceiveonlywaterimpingingontheplaneofthetestspecimenfacetoexcludeallrunoffwaterfromabove.Theboxshallbe610mm(24in.)squaredividedintofourareaseach305mm(12in.)square.Useacoverapproximately760mm(30in.)squ
29、aretopreventwaterfromenteringthecalibrationboxbefeafterthetimedobservationinterval.Thewaterimpingingoneachareashallbecapturedseparately.Aspraythatprovidesatleast1.26Lmin(20galh)totalfthefourareasnotlessthan0.25Lmin(4galh
30、)nmethan0.63Lmin(10galh)inanyonesquareshallbeacceptable.9.1.1Thewaterspraysystemshallbecalibratedatbothuppercnersatthequarterpointofthehizontalcenterline(ofthespraysystem).IfanumberofidenticalcontiguousFIG.2CatchBoxfCali
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