【英文标准名称】:Acoustics-Measurementofsoundinsulationinbuildingsandofbuildingelementsusingsoundintensity-Part2:Fieldmeasurements
【原文标准名称】:声学.用声强测定建筑物和建筑构件的隔声性能.第2部分:现场测量
【标准号】:ISO15186-2-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;建筑;元部件;隔音;测量;就地;试验;声学;条件;结构构件;声学试验;声强;建筑物
【英文主题词】:Acoustictesting;Acoustics;Buildings;Components;Conditions;Construction;Definitions;Insitu;Measurement;Measuringtechniques;Soundinsulation;Soundintensity;Structuralmembers;Testing
【摘要】:1GeneralThispartofISO15186specifiesasoundintensitymethodtodeterminethein-situsoundinsulationofwaits,floors,doors,windowsandsmallbuildingelements.Itisintendedformeasurementsthathavetobemadeinthepresenceofflankingtransmission.Itcanbeusedtoprovidesoundpowerdatafordiagnosticanalystsofflankingtransmissionortomeasureflankingsoundinsulationparameters.ThispartofISO15186canbeusedbylaboratoriesthatcouldnotsatisfytherequirementsofISO15186-1,whichdealswithlaboratorymeasurementswithnoorlittleflankingtransmission.ISO15186-3dealswithmeasurementsunderlaboratoryconditions,atlowfrequencies.ThispartofISO15186alsodescribestheeffectofflankingtransmissiononmeasurementsmadeusingthespecifiedmethod,andhowintensitymeasurementscanbeused—tocomparethein-situsoundinsulationofabuildingelementwithlaboratorymeasurementswhereflankinghasbeensuppressed(i.e.ISO140-3),—torankthepartialcontributionsforbuildingelements,and—tomeasuretheflankingsoundreductionindexforoneormoretransmissionpaths(forvalidationofpredictionmodelssuchasthosegiveninEN12354-1).Thismethodgivesvaluesforairbornesoundinsulation,whicharefrequencydependent.Theycanbeconvertedintoasinglenumber,characterizingtheacousticperformance,byapplicationofISO717-1.2PrecisionThereproducibilityofthisintensitymethodisestimatedtobeequaltoorbetterthanthatofthemethodsofISO140-10andISO140-4,whenmeasuringasinglesmallandlargebuildingelement,respectively.NOTE1IfsoundreductionmeasuresmadeusingthismethodaretobecomparedwiththosemadeusingtheconventionalreverberationroommethodinvariouspartsofISO140,thenitwillbenecessarytointroduceanadaptationtermthatreflectsthebiasbetweenthetestmethods.ThistermisgiveninAnnexA.NOTE2SomeinformationabouttheaccuracyforthispartofISO15186anditsrelationshiptothesoundreductionindexmeasuredaccordingtoISO140-3andISO140-4isgiveninAnnexB.NOTE3FlankingtransmissionisdiscussedinAnnexC.
【中国标准分类号】:Z32
【国际标准分类号】:91_120_20
【页数】:25P;A4
【正文语种】:英语