ASTM E1332-1990(2003) 室外-室内透过等级测定用分类

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【英文标准名称】:StandardClassificationforDeterminationofOutdoor-IndoorTransmissionClass
【原文标准名称】:室外-室内透过等级测定用分类
【标准号】:ASTME1332-1990(2003)
【标准状态】:现行
【国别】:
【发布日期】:1990
【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】:(Classification)
【标准水平】:()
【中文主题词】:传输特性;分类系统
【英文主题词】:A-weighting;aircraft;buildings;classification;facade;freeway;indoor;insulation;isolation;loudness;noise;outdoor-indoortransmissionclass(OITC);outdoor;railroad;sound;traffic;transmission;transportation
【摘要】:1.1Thepurposeofthisclassificationistoprovideasingle-numberratingthatcanbeusedforcomparingbuildingfacadedesigns,includingwalls,doors,windows,andcombinationsthereof.Thisratingisdesignedtocorrelatewithsubjectiveimpressionsoftheabilityofbuildingelementstoreducetheoverallloudnessofgroundandairtransportationnoise.Itisintendedtobeusedasarankorderingdevice.1.2Theratingdoesnotnecessarilyrelatetotheperceivedaestheticqualityofthetransmittedsound.Differentfacadeelementswithsimilarratingsmaydiffersignificantlyintheproportionoflowandhighfrequencysoundthattheytransmit.Itisbesttousespecificsoundtransmissionlossvalues,inconjunctionwithactualspectraofoutdoorandindoorsoundlevels,formakingfinalselectionsoffacadeelements.1.3Excludedfromthescopeofthisclassificationareapplicationsinvolvingnoisespectradifferingmarkedlyfromthosedescribedin.Thusexcluded,forexample,wouldbecertainindustrialnoiseswithhighlevelsatfrequenciesbelowthe80Hzone-thirdoctaveband,relativetolevelsathigherfrequencies.However,foranysourcewithaspectrumsimilartothosein,thisclassificationprovidesamorereliablerankingoftheperformanceofpartitionsandfacadeelementsthandootherclassificationssuchasClassificationE413.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】: