【英文标准名称】:StandardTestMethodforLaboratoryMeasurementoftheEffectivenessofFloorCoveringsinReducingImpactSoundTransmissionThroughConcreteFloors
【原文标准名称】:地板覆盖物在降低穿过混凝土地面传播的碰撞声音效果的实验室测量的标准试验方法
【标准号】:ASTME2179-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:impactinsulationclass;impactsoundinsulation;impactsoundpressurelevel;tappingmachine;Effectivenesstesting;Flooring/floorcoveringsystems(concrete);Impactinsulationclass(IIC);Impactsoundtransmission(buildingelements);Laboratorys
【摘要】:Theimpactsoundratingforafloorassemblyisdeterminedbothbythebasicfloorassemblyandthefloorcoveringontheuppersurface.Thesamefloorcoveringincombinationwithdifferentbasicfloorassemblieswillnotalwaysgivethesameimpactinsulationclass(IIC)ratings.Thistestmethodisdesignedtoprovidedatathatcharacterizethefloorcoveringalonewheninstalledoverconcreteslabfloors.Thex0394;IICratingcalculatedin13.4isusedtocomparetheeffectivenessofdifferentfloorcoveringsonconcretefloors.Theimpactinsulationclass(IIC)calculatedforthereferenceconcretefloorwithacoveringprovidesanindicationoftheimpactsoundinsulationthatthecoveringwillprovidewithtypical,monolithicconcretefloors.Whenthenormalizedimpactsoundpressurelevelsbelowabareconcreteslabareknown,thedifferencespectrumcalculatedin13.1maybeusedtoestimatetheimpactsoundpressurelevelsandhencetheIICthatwouldresultifthecoveringwereinstalledontheslab.Warning:Differencespectrameasuredusingthismethodshallnotbeusedtoestimateimpactsoundpressurelevelsforfloorscomprisingonlyoneortwolightweightfloorlayerssuchasorientedstrandboardorplywood.Suchestimatedimpactsoundpressurelevelswouldbeveryinaccurate.Note18212;Thedifferencespectrumcalculatedin13.1givesunreliableestimatesofthereductioninimpactsoundpressurelevelsduetothefloorcoveringwhenitisplacedonajoistfloorincorporatingaconcretetopping(about50mmthick)poureddirectlyontheplywoodsubfloororsteeldeck.Theestimatedimpactsoundpressurelevelsaretoolow.ThistestmethodcloselyfollowsthatdescribedinISO140-8exceptthatthesinglenumberratingusedistheimpactinsulationclass(IIC)describedinClassificationE989.Thedescriptionofthestandardconcreteflooralsodiffers.Note28212;TherequirementinClassificationE989thatnodeviationabovethereferencecontourmayexceed8dBmeansthatthereisnosimplerelationshipbetweenISO140-8testratingsandthosegeneratedbythismethod.1.1Thistestmethoddescribesamethodforthelaboratorymeasurementoftheeffectivenessoffloorcoveringsinreducingimpactnoisefromastandardtappingmachinethroughconcretefloors.Thetestresultsarenotnecessarilydirectlyrelatedtothesubjectiveevaluationsofthefloorcoverings.1.2Thistestmethodappliestoallfloorcoverings,whethersingleormulti-layered,asinstalledonastandardconcretefloor.Multi-layeredcoveringsmaybefactory-assembledorassembledatthetestlaboratory.1.3Thetestmethodappliesonlytolaboratorymeasurements.Itdoesnotapplytothemeasurementoftheeffectivenessofafloorcoveringinafieldsituation.1.4LaboratoryAccreditation8212;AprocedureforaccreditingalaboratoryforperformingthistestmethodisgiveninMethodE492.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_120_20
【页数】:5P.;A4
【正文语种】:英语