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BS EN 12354-2-2000 建筑物声学.构件性能对建筑物声学性能影响的评价.房屋间冲击声音的隔绝

作者:标准资料网 时间:2024-05-19 11:07:52  浏览:8333   来源:标准资料网
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【英文标准名称】:Buildingacoustics-Estimationofacousticperformanceinbuildingsfromtheperformanceofelements-Impactsoundinsulationbetweenrooms
【原文标准名称】:建筑物声学.构件性能对建筑物声学性能影响的评价.房屋间冲击声音的隔绝
【标准号】:BSEN12354-2-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-07-15
【实施或试行日期】:2000-07-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:计算校验;房屋;施工材料;冲击声隔绝;声学性质和声学现象;声学测量;声学;建筑系统构件;建筑物
【英文主题词】:Acousticpropertiesandphenomena;Acoustics;Buildingacoustics;Buildings;Flankingtransmission;Forecasting;Impactsound;Impactsoundinsulation;Mathematicalcalculations;Precalculation
【摘要】:ThisEuropeanStandardspecifiescalculationmodelsdesignedtoestimatetheimpactsoundinsulationbetweenroomsinbuildings,primarilyonthebasesofmeasureddatawhichcharacterizesdirectorindirectflankingtransmissionbytheparticipatingbuildingelementsandtheoreticallyderivedmethodsofsoundpropagationinstructuralelements.Adetailedmodelisdescribedforcalculationinfrequencybands;thesinglenumberratingofbuildingscanbedeterminedfromthecalculationresults.Asimplifiedmodelwitharestrictedfieldofapplicationisdeducedfromthis,calculatingdirectlythesinglenumberrating,usingthesinglenumberratingsoftheelements.ThisEuropeanStandarddescribestheprinciplesofthecalculationscheme,liststherelevantquantitiesanddefinesitsapplicationsandrestrictions.Itisintendedforacousticalexpertsandprovidestheframeworkforthedevelopmentofapplicationdocumentsandtoolsforotherusersinthefieldofbuildingconstruction,takingintoaccountlocalcircumstances.Thecalculationmodelsdescribedusethemostgeneralapproachforengineeringpurposes,withaclearlinktomeasurablequantitiesthatspecifytheperformanceofbuildingelements.Theknownlimitationsofthesecalculationmodelsaredescribedinthisstandard.Usersshould,however,beawarethatothercalculationmodelsalsoexist,eachwiththeirownapplicabilityandrestrictions.Themodelsarebasedonexperiencewithpredictionfordwellings;theycouldalsobeusedforothertypesofbuildings,providedtheconstructionsystemsanddimensionsofelementsarenottoodifferentfromthoseindwellings.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:36P.;A4
【正文语种】:英语


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【英文标准名称】:Materialsforprintedboardsandotherinterconnectingstructures-Part4-11:Sectionalspecificationsetforprepregmaterials,unclad-Non-halogenatedepoxidewovenE-glassprepregofdefinedflammability
【原文标准名称】:印制板和其他互连结构用材料.第4-11部分:非包被预浸料的分规范集.阻燃型非卤化环氧编织E型玻璃纤维预浸料坯
【标准号】:IEC61249-4-11-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:检验;聚酰亚胺树脂;规范(验收);电导性;质量保证;燃烧试验;可燃性;材料;特性;多层印制电路板;玻璃纤维增强塑料;电子设备及元件;内连接结构;分规范;叠层板材;E型玻璃纤维;印制电路板;玻璃布;环氧衍生物;尺寸;导电体;可燃性试验;预浸料坯;无卤素;导电材料;基底材料
【英文主题词】:Adhesive;Adhesives;Basematerials;Burningtests;Combustibility;Combustibilitytests;Conductivematerials;Conductivity;Dimensions;E-glass;Electricconductors;Electricalengineering;Electronicequipmentandcomponents;Epoxides;Epoxyresins;Flexiblematerials;Formofdelivery;Glassfabrics;Glass-fibrereinforcedplastics;Halogen-free;Inspection;Interconnectionstructures;Laminates;Materials;Multilayerprintedboards;Orderindications;Packages;Polyimideresins;Prepreg;Printedcircuits;Printed-circuitboards;Properties;Qualityassurance;Sectionalspecification;Shelflife;Specification;Specification(approval)
【摘要】:ThispartofIEC61249givesrequirementsforpropertiesofprepregthatismainlyintendedtobeusedasbondingsheetsinconnectionwithlaminatesaccordingIEC61249-2-7whenmanufacturingmultilayerboardsaccordingtoIEC62326-4.Thismaterialmaybealsousedtobondothertypesoflaminates.Prepregaccordingtothisstandardisofdefinedflammability(verticalburningtest).Theflammabilityratingonfullycuredprepregisachievedthroughtheuseofnon-halogenatedfireretardantscontainedasanintegralpartofthepolymericstructure.Afterlaminationaccordingtothesupplier'sinstructions,theglasstransitiontemperatureisdefinedtobe120℃minimum.
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:34P.;A4
【正文语种】:英语


【英文标准名称】:Separationwithinthereactorprotectionsystems
【原文标准名称】:反应堆防护系统的内部隔离
【标准号】:IEC60709-1981
【标准状态】:作废
【国别】:国际
【发布日期】:1981
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC45A
【标准类型】:()
【标准水平】:()
【中文主题词】:核技术;保护系统;核反应堆防事故外壳结构;电气工程;核安全;核反应堆;分离
【英文主题词】:separation;nucleartechnology;electricalengineering;nuclearsafety;protectionsystems;nuclearcontainmentstructures;nuclearreactors
【摘要】:
【中国标准分类号】:F69
【国际标准分类号】:27_120_20
【页数】:8P;A4
【正文语种】:英语



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