【英文标准名称】:StandardTestMethodforLaboratoryMeasurementofAirborneSoundTransmissionLossofBuildingPartitionsandElements
【原文标准名称】:实验室测量建筑物隔墙和构件的空气声音传输损失的标准试验方法
【标准号】:ASTME90-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E33.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airbornesoundtransmissionloss;flankingtransmission;soundtransmissioncoefficient;soundtransmissionloss;transmissionloss;Acousticaltests;Diffusesoundfieldtest;Doors/doorassemblies;Floor-ceilingassemblies;Impactsoundtransmission(bu
【摘要】:SoundtransmissionlossasdefinedinTerminologyC634,referstotheresponseofspecimensexposedtoadiffuseincidentsoundfield,andthisisthetestconditionapproachedbythislaboratorytestmethod.Thetestresultsarethereforemostdirectlyrelevanttotheperformanceofsimilarspecimensexposedtosimilarsoundfields.Theyprovide,however,ausefulgeneralmeasureofperformanceforthevarietyofsoundfieldstowhichapartitionorelementmaytypicallybeexposed.Inlaboratoriesdesignedtosatisfytherequirementsofthistestmethod,theintentisthatonlysignificantpathforsoundtransmissionbetweentheroomsisthroughthetestspecimen.Thisisnotgenerallythecaseinbuildingswherethereareoftenmanyotherpathsforsoundsx2014;flankingsoundtransmission.Consequentlysoundratingsobtainedusingthistestmethoddonotrelatedirectlytosoundisolationinbuildings;theyrepresentanupperlimittowhatwouldbemeasuredinafieldtest.Thistestmethodisnotintendedforfieldtests.FieldtestsshallbeperformedaccordingtoTestMethodE336.Note28212;ThecomparablequantitymeasuredusingTestMethodE336iscalledtheapparentsoundtransmissionlossbecauseofthepresenceofflankingsoundtransmission.1.1Thistestmethodcoversthelaboratorymeasurementofairbornesoundtransmissionlossofbuildingpartitionssuchaswallsofallkinds,operablepartitions,floor-ceilingassemblies,doors,windows,roofs,panels,andotherspace-dividingelements.1.2Laboratoriesaredesignedsothetestspecimenconstitutestheprimarysoundtransmissionpathbetweenthetwotestroomsandsoapproximatelydiffusesoundfieldsexistintherooms.1.3LaboratoryAccreditation8212;TherequirementsforaccreditingalaboratoryforperformingthistestmethodaregiveninAnnexA4.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:15P.;A4
【正文语种】:英语