您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

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

作者:标准资料网 时间:2024-05-17 01:30:50  浏览:9732   来源:标准资料网
下载地址: 点击此处下载
【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】:


下载地址: 点击此处下载
【英文标准名称】:Chemicalanalysisofaluminiumalloys.Determinationofantimony.(atomicabsorptionmethod).
【原文标准名称】:铝合金的化学分析.锑的测定(原子吸收法)
【标准号】:NFA08-563-1974
【标准状态】:现行
【国别】:法国
【发布日期】:1974-12-01
【实施或试行日期】:
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:H12
【国际标准分类号】:77_120_10
【页数】:3P;A4
【正文语种】:其他


【英文标准名称】:Groovedpins.One-third-lengthcentregrooved.
【原文标准名称】:带槽销.三分之一长度中心槽的销钉
【标准号】:NFE25-763-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-12-01
【实施或试行日期】:1997-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptancespecification;Connectoredjoints;Deliveryconditions;Designations;Dimensions;Fasteners;Groovedpins;Locatorpins;Mechanic;Pins(nails);Specification(approval);Specifications
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_50
【页数】:11P;A4
【正文语种】:其他