MIL-STD-285 (NOTICE 1), MILITARY STANDARD: ATTENUATION MEASUREMENTS FOR ENCLOSURES, ELECTROMAGNETIC SHIELDING, FOR ELECTRONIC TEST PURPOSES, METHOD OF (24 OCT 1997) [S/S BY IEEE-STD-299]., MIL-STD-285, dated 25 June 1956, is hereby canceled. The preparing activity for this document has determined that IEEE-STD-299 is a suitable replacement for this standard. Users are cautioned to evaluate this document for their particular application before citing it as a replacement document.【英文标准名称】:StandardTestMethodforWaterPenetrationofMetalRoofPanelSystemsbyStaticWaterPressureHead
【原文标准名称】:通过静水压头测试金属屋顶格间水渗透性的标准试验方法
【标准号】:ASTME2140-2001(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:E06.57
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:endlap;metalpanel;roof;roofpanel;sideseam;staticwaterpressure;water;waterleakage;waterpenetration;Metalroofpanelsystems;Statictests--buildingmaterials/applications;Waterpenetration--roofingmaterials/applications
【摘要】:Thistestmethodisastandardprocedurefordeterminingwaterleakagethroughmetalroofpanelsystemsideseams,endlaps,androofplanepenetrationswhentheroofsystemissubjectedtoaspecifiedstaticwaterpressurehead.Note28212;Inapplyingtheresultsoftestsbythismethod,notethattheperformanceofarooforitscomponentsorboth,isinpartafunctionofproperinstallationandadjustment.Inservice,theperformancewillalsodependontheintegrityofthesupportingconstruction,roofslope,andontheresistanceofcomponentstodeteriorationbyvariouscauses:corrosiveatmosphere,aging,ice,vibration,thermalcycling,etc.Itisdifficulttosimulatetheidenticalcomplexwetting,aging,andothervariableconditionsthatcanbeencounteredinservice,includingwind-blownpondedwater;theeffectsoftemperatureandageonsealantperformance;differentialpressureacrossthejointsduetowind,snow,andiceaccumulation;densificationandmigration;andabrasionswithinthejointcomponentswhichmayoccurduringthermalcyclingandotherweatherevents.Somejointconditionsaremoresensitivethanotherstothesefactors.Thistestmethodwillevaluatetheresistanceofroofpanels,sideseams,endlaps,androofplanepenetrationstowatersubmersion.Itwillnotevaluatepanelresistancetowinddrivenrain.Note38212;SeeTestMethodE1646foratestwhichevaluatesresistancetowinddrivenrain.Thistestmethodisnotastructuraladequacytest.Thistestmethodisapplicabletosingleskinmetalpanels,theexteriorskinoffactoryassembledcompositepanels,andtheexteriorskinoffieldassembledcompositesystemsaslongasmeanscanbeprovidedtodistinguishleakagethroughtheexteriorpanelsideseams/endlapsandperimeterleakage.1.1Thislaboratorytestmethodcoversthedeterminationoftheresistancetowaterpenetrationofexteriormetalroofpanelsystemsideseams,endlaps,androofplanepenetrationswhenaspecifiedstaticwaterpressureheadisappliedtotheoutsidefaceoftheroofpanel.Note18212;Thistestmethodisintendedtoevaluatewater-barrier(notwater-shedding)roofsystemjointsanddetails.Thesesystemsarealsoreferredtoashydrostaticroofsystems.1.2Thistestmethodislimitedtospecimensinwhichthesideseamsandattachmentsareclearlyvisibleandinwhichthesourceofleakageisreadilyobservable.1.3Thistestmethodexcludesperformanceatroofperimeterconditions.1.4Thistestmethodissuitableforevaluatingleakageatroofplanepenetrationssuchasfasteners,curbs,pipes,andexpansionjointsunderastaticwaterpressurehead.1.5Theproperuseofthistestmethodrequiresaknowledgeoftheprinciplesofwaterpressure.1.6Thetextofthisstandardincludesnotesandfootnotesexcludingtablesandfigures,whichprovideexplanatorymaterial.Thesenotesandfootnotesshallnotbeconsideredasrequirementsofthestandard.1.7Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificpr......
【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