ASTM E492-2004 利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
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【英文标准名称】:StandardTestMethodforLaboratoryMeasurementofImpactSoundTransmissionThroughFloor-CeilingAssembliesUsingtheTappingMachine
【原文标准名称】:利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】:ASTME492-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:声传输;底部;声学;实验室;顶棚;建筑声学;试验设备;建筑;测量技术
【英文主题词】:floorceilingassemblies;soundtransmission;tappingmachine
【摘要】:Theevaluationoftheimpactsound-insulatingperformanceofafloor-ceilingassemblybeginswiththemeasurementofthesoundpressurelevelsintheroombelowthetestspecimen.Thespectrumofthenoiseintheroombelowisdeterminedbythefollowing:5.1.1Thesizeandthemechanicalpropertiesofthefloor-ceilingassembly,suchasitsconstruction,surface,mountingoredgerestraints,stiffness,orinternaldamping,5.1.2Theacousticalresponseoftheroombelow,and5.1.3Inevitably,thecharacteristicsandplacementoftheobjectordeviceproducingtheimpactsandthenatureordegreeoftheactualimpactitself.Thistestmethodisbasedontheuseofastandardizedtappingmachineofthetypespecifiedin8.1.1andplacedinspecificpositionsonthefloor.Thismachineproducesacontinuousseriesofuniformimpactsatauniformrateonatestfloorandgeneratesinthereceivingroombroadbandsoundpressurelevelssufficientlyhightomakeaccurateandreproduciblemeasurementspossible.Thetappingmachineitself,however,isnotdesignedtosimulateanyonetypeofimpact,suchasproducedbymaleorfemalefootsteps.Note18212;Caution:Becauseofitsportabledesign,thetappingmachinedoesnotsimulatetheweightofahumanwalker.Therefore,thecreakorboomofalimberfloorassemblycausedbysuchfootstepexcitationmaynotbereflectedinthesinglenumberimpactratingderivedfromtestresultsobtainedbythistestmethod.Thedegreeofcorrelationbetweentheresultsoftappingmachinetestsinthelaboratoryandtheoverallfieldperformanceoffloorsundertypicalconditionsofdomesticimpactexcitationmaybesubjecttosomevariation,dependingonboththetypeoffloorconstructionandthenatureoftheimpactexcitation.1.1Thistestmethodcoversthelaboratorymeasurementofimpactsoundtransmissionoffloor-ceilingassembliesusingastandardizedtappingmachine.Itisassumedthatthetestspecimenconstitutestheprimarysoundtransmissionpathintoareceivingroomlocateddirectlybelowandthatadiffusesoundfieldexistsinthisroom.1.2Measurementsmaybeconductedonfloor-ceilingassembliesofallkinds,includingthosewithfloating-floororsuspendedceilingelements,orboth,andfloor-ceilingassembliessurfacedwithanytypeoffloor-surfacingorfloor-coveringmaterials.1.3Thistestmethodprescribesauniformprocedureforreportinglaboratorytestdata,thatis,thenormalizedone-thirdoctavebandsoundpressurelevelstransmittedbythefloor-ceilingassemblyduetothetappingmachine.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:10P.;A4
【正文语种】:
【原文标准名称】:利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】:ASTME492-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:声传输;底部;声学;实验室;顶棚;建筑声学;试验设备;建筑;测量技术
【英文主题词】:floorceilingassemblies;soundtransmission;tappingmachine
【摘要】:Theevaluationoftheimpactsound-insulatingperformanceofafloor-ceilingassemblybeginswiththemeasurementofthesoundpressurelevelsintheroombelowthetestspecimen.Thespectrumofthenoiseintheroombelowisdeterminedbythefollowing:5.1.1Thesizeandthemechanicalpropertiesofthefloor-ceilingassembly,suchasitsconstruction,surface,mountingoredgerestraints,stiffness,orinternaldamping,5.1.2Theacousticalresponseoftheroombelow,and5.1.3Inevitably,thecharacteristicsandplacementoftheobjectordeviceproducingtheimpactsandthenatureordegreeoftheactualimpactitself.Thistestmethodisbasedontheuseofastandardizedtappingmachineofthetypespecifiedin8.1.1andplacedinspecificpositionsonthefloor.Thismachineproducesacontinuousseriesofuniformimpactsatauniformrateonatestfloorandgeneratesinthereceivingroombroadbandsoundpressurelevelssufficientlyhightomakeaccurateandreproduciblemeasurementspossible.Thetappingmachineitself,however,isnotdesignedtosimulateanyonetypeofimpact,suchasproducedbymaleorfemalefootsteps.Note18212;Caution:Becauseofitsportabledesign,thetappingmachinedoesnotsimulatetheweightofahumanwalker.Therefore,thecreakorboomofalimberfloorassemblycausedbysuchfootstepexcitationmaynotbereflectedinthesinglenumberimpactratingderivedfromtestresultsobtainedbythistestmethod.Thedegreeofcorrelationbetweentheresultsoftappingmachinetestsinthelaboratoryandtheoverallfieldperformanceoffloorsundertypicalconditionsofdomesticimpactexcitationmaybesubjecttosomevariation,dependingonboththetypeoffloorconstructionandthenatureoftheimpactexcitation.1.1Thistestmethodcoversthelaboratorymeasurementofimpactsoundtransmissionoffloor-ceilingassembliesusingastandardizedtappingmachine.Itisassumedthatthetestspecimenconstitutestheprimarysoundtransmissionpathintoareceivingroomlocateddirectlybelowandthatadiffusesoundfieldexistsinthisroom.1.2Measurementsmaybeconductedonfloor-ceilingassembliesofallkinds,includingthosewithfloating-floororsuspendedceilingelements,orboth,andfloor-ceilingassembliessurfacedwithanytypeoffloor-surfacingorfloor-coveringmaterials.1.3Thistestmethodprescribesauniformprocedureforreportinglaboratorytestdata,thatis,thenormalizedone-thirdoctavebandsoundpressurelevelstransmittedbythefloor-ceilingassemblyduetothetappingmachine.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:10P.;A4
【正文语种】:
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