【英文标准名称】:StandardTestMethodforLaboratoryMeasurementofImpactSoundTransmissionThroughFloor-CeilingAssembliesUsingtheTappingMachine
【原文标准名称】:使用夯击机进行冲击声通过地板和天花板组件的实验室测量标准试验方法
【标准号】:ASTME492-2009
【标准状态】:现行
【国别】:
【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】:地板天花板组件;冲击声音传输;夯击机;声学试验;冲击声音传输(建筑元件);实验室声音传输测试;隔墙;夯击机方法
【英文主题词】:floorceilingassemblies;impactsoundtransmission;tappingmachine;Acousticaltests;Floor-ceilingassemblies;Impactsoundtransmission(buildingelements);Laboratorysoundtransmissiontesting;Partitions;Tappingmachinemethod
【摘要】:Thespectrumofthenoiseintheroombelowthetestspecimenisdeterminedbythefollowing:Thesizeandthemechanicalpropertiesofthefloor-ceilingassembly,suchasitsconstruction,surface,mountingoredgerestraints,stiffness,orinternaldamping,Theacousticalresponseoftheroombelow,Theplacementoftheobjectordeviceproducingtheimpacts,andThenatureoftheactualimpactitself.Thistestmethodisbasedontheuseofastandardizedtappingmachineofthetypespecifiedin8.1placedinspecificpositionsonthefloor.Thismachineproducesacontinuousseriesofuniformimpactsatauniformrateonatestfloorandgeneratesinthereceivingroombroadbandsoundpressurelevelsthataresufficientlyhightomakemeasurementspossiblebeneathmostfloortypeseveninthepresenceofbackgroundnoise.Thetappingmachineitself,however,isnotdesignedtosimulateanyonetypeofimpact,suchasproducedbymaleorfemalefootsteps.Becauseofitsportabledesign,thetappingmachinedoesnotsimulatetheweightofahumanwalker.Therefore,thestructuralsounds,i.e.,creaksorboomsofafloorassemblycausedbysuchfootstepexcitationisnotreflectedinthesinglenumberimpactratingderivedfromtestresultsobtainedbythistestmethod.Thedegreeofcorrelationbetweentheresultsoftappingmachinetestsinthelaboratoryandthesubjectiveacceptanceoffloorsundertypicalconditionsofdomesticimpactexcitationisuncertain.Thecorrelationwilldependonboththetypeoffloorconstructionandthenatureoftheimpactexcitationinthebuilding.Inlaboratoriesdesignedtosatisfytherequirementsofthistestmethod,theintentisthatonlysignificantpathforsoundtransmissionbetweentheroomsisthroughthetestspecimen.Thisisnotgenerallythecaseinbuildingswherethereareoftenmanyotherpathsforsoundsx2014;flankingsoundtransmission.Consequentlysoundratingsobtainedusingthistestmethoddonotrelatedirectlytosoundisolationinbuildings;theyrepresentanupperlimittowhatwouldbemeasuredinafieldtest.Thistestmethodisnotintendedforfieldtests.FieldtestsareperformedaccordingtoTestMethodE1007.1.1Thistestmethodcoversthelaboratorymeasurementofimpactsoundtransmissionoffloor-ceilingassembliesusingastandardizedtappingmachine.Itisassumedthatthetestspecimenconstitutestheprimarysoundtransmissionpathintoareceivingroomlocateddirectlybelowandthatagoodapproximationtoadiffusesoundfieldexistsinthisroom.1.2Measurementsmaybeconductedonfloor-ceilingassembliesofallkinds,includingthosewithfloating-floororsuspendedceilingelements,orboth,andfloor-ceilingassembliessurfacedwithanytypeoffloor-surfacingorfloor-coveringmaterials.1.3Thistestmethodprescribesauniformprocedureforreportinglaboratorytestdata,thatis,thenormalizedone-thirdoctavebandsoundpressurelevelstransmittedbythefloor-ceilingassemblyduetothetappingmachine.1.4LaboratoryAccreditation8212;TherequirementsforaccreditingalaboratoryforperformingthistestmethodaregiveninAnnexA2.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:9P.;A4
【正文语种】: