JIS A1450-1997 提高的通路地板部件试验方法
作者:标准资料网 时间:2024-05-18 21:21:46 浏览:8883
来源:标准资料网
【英文标准名称】:Testmethods--Componentsforraisedaccessfloor
【原文标准名称】:提高的通路地板部件试验方法
【标准号】:JISA1450-1997
【标准状态】:作废
【国别】:日本
【发布日期】:1997-04-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonArchitecture
【标准类型】:()
【标准水平】:()
【中文主题词】:电气布线系统;设备容纳设施;办公室(室内);组合楼板;楼板
【英文主题词】:floors;compositefloors;offices(interiorspaces);;
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_060_30
【页数】:16P;A4
【正文语种】:日语
【英文标准名称】:StandardSpecificationforJointsforConcretePipe,Manholes,andPrecastBoxSectionsUsingPreformedFlexibleJointSealants[Metric]
【原文标准名称】:使用挠性预制接缝密封件的混凝土管道、检查孔和预制箱型部件接头的标准规范(米制)
【标准号】:ASTMC990M-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:混凝土;人孔;密封;管
【英文主题词】:manholes;sealing;concretes;pipes
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofDecayRatesforUseinSoundInsulationTestMethods
【原文标准名称】:隔声试验方法中衰减率测定的标准试验方法
【标准号】:ASTME2235-2004e1
【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】:E33.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:隔音;衰减;试验;测定
【英文主题词】:decayrate;normalizationofsoundpressurelevel;reverberationtime;roomsoundabsorption
【摘要】:SeveralASTMtestmethodstoevaluatethesound-insulatingpropertiesofbuildingelementsrequirethemeasurementofroomsoundabsorptionaspartoftheprocedure.Theroomsoundabsorptioninthesestandardsappearsinanequationintheform10log(x/A),wherexisaquantitywiththesameunitsasA,m2.RoomsoundabsorptioniscalculatedfromthedecayrateusingEq1.Therequirementsofthisstandardhavebeenchosensotheuncertaintyassociatedwiththemeasurementofroomsoundabsorptionwillbeacceptablysmallsolongasthelogarithmoftheabsorptionisbeingusedincalculations.Othertestmethodsshouldspecifyexplicitlythattheymakeuseofthistestmethod.Wheremeasurementrequirementsintheparentstandarddifferfromthosegivenhere,therequirementsintheparentstandardshallbesatisfied.Thistestmethodshallnotbeusedwhenroomsoundabsorptionordecayrateistobeuseddirectlytosatisfysomecriterion,forexampleinaroomthatmustnotbeoverlyreverberantsospeechwillbeintelligible.Note18212;Theuncertaintyoftheroomsoundabsorptionobtainedwillusuallybetoohighandadditionalmeasurementsarenecessary.Anycompanionstandardmayspecifytheuseoftheproceduresinthismethodfordeterminingwhetherthedecayratesinaroomareslowenoughtosatisfytherequirementsofthecompanionstandard.Themeasureddecayratesshallstillbeusedonlytocalculatethelogarithmoftheroomabsorption.1.1Thistestmethodcoversthemeasurementofsounddecayrateinroomsandthecalculationofthesoundabsorptionoftheroomanditscontents.Thesoundabsorptionsocalculatedmaybeusedincalculationsinsoundinsulationtestmethods.1.2Themethodshallbeusedonlyinconjunctionwithothertestmethodswherethelogarithmofthesoundabsorptionisusedinformulas.Itisnotsufficientlypreciseforuseinsituationswhereroomsoundabsorptionistobeusedwithouttakinglogarithms.1.3Forlaboratorymeasurementsofthesoundabsorptionofmaterialsandobjects,TestMethodC423shouldbeused.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:91_120_20
【页数】:4P.;A4
【正文语种】:
