【英文标准名称】:Specificationforsulfate-resistingPortlandcement
【原文标准名称】:抗硫酸盐硅酸盐水泥规范
【标准号】:BS4027-1966
【标准状态】:作废
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【发布单位】:英国标准学会(GB-BSI)
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【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
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【英文标准名称】:Buildingacoustics-Estimationofacousticperformanceofbuildingsfromtheperformanceofelements-Part1:Airbornesoundinsulationbetweenrooms
【原文标准名称】:建筑声学.从建筑构件性能评定建筑物声学性能.第1部分:房间之间的空气声隔绝
【标准号】:ISO15712-1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-01
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:
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【摘要】:Thisdocumentdescribescalculationmodelsdesignedtoestimatetheairbornesoundinsulationbetweenroomsinbuildings,primarilyusingmeasureddatawhichcharacterizedirectorindirectflankingtransmissionbytheparticipatingbuildingelementsandtheoreticallyderivedmethodsofsoundpropagationinstructuralelements.Adetailedmodelisdescribedforcalculationinfrequencybands;thesinglenumberratingcanbedeterminedfromthecalculationresults.Asimplifiedmodelwitharestrictedfieldofapplicationisdeducedfromthis,calculatingdirectlythesinglenumberrating,usingthesinglenumberratingsoftheelements.Thisdocumentdescribestheprinciplesofthecalculationscheme,liststherelevantquantitiesanddefinesitsapplicationsandrestrictions.Itisintendedforacousticalexpertsandprovidestheframeworkforthedevelopmentofapplicationdocumentsandtoolsforotherusersinthefieldofbuildingconstruction,takingintoaccountlocalcircumstances.Thecalculationmodelsdescribedusethemostgeneralapproachforengineeringpurposes,withaclearlinktomeasurablequantitiesthatspecifytheperformanceofbuildingelements.Theknownlimitationsofthesecalculationmodelsaredescribedinthisdocument.Usersshould,however,beawarethatothercalculationmodelsalsoexist,eachwiththeirownapplicabilityandrestrictions.Themodelsarebasedonexperiencewithpredictionsfordwellings;theycouldalsobeusedforothertypesofbuildingsprovidedtheconstructionsystemsanddimensionsofelementsarenottoodifferentfromthoseindwellings.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:59P;A4
【正文语种】:英语