【英文标准名称】:Joinery.Locksmithery.Doorsofboilerhousesandsimilarpremises.
【原文标准名称】:木作.钳工制品.锅炉房和类似房间用门
【标准号】:NFP20-301-1970
【标准状态】:作废
【国别】:法国
【发布日期】:1970-12-01
【实施或试行日期】:1970-11-27
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范;试验;冲击试验;安全锁;门;制造;安全装置;防火门;尺寸变化;尺寸稳定性;生产;建筑规程;弯曲试验;耐火性;机械试验;防腐蚀;建筑规范;拉力试验;锅炉房;抗拉试验;锁;防火
【英文主题词】:
【摘要】:
【中国标准分类号】:Q70;P32
【国际标准分类号】:91_060_50
【页数】:12P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforLaboratoryMeasurementofAirborneTransmissionLossofBuildingPartitionsandElementsUsingSoundIntensity
【原文标准名称】:用声音强度进行建筑物分区和单元空气传播损耗实验室测量的标准试验方法
【标准号】:ASTME2249-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:roofs;panels;buildingindustry;floor;floor-ceiling;doors
【摘要】:ThistestmethodcanbeusedtoobtainanestimatethetransmissionlossofbuildingelementsinalaboratorysettingwherethesourceroomandthespecimenmountingconditionssatisfytherequirementsofTestMethodE90.Theacceptabilityofthereceivingroomwillbedeterminedbyasetoffieldindicatorsthatdefinethequalityandaccuracyoftheintensityestimate.Byappropriatelyconstructingthesurfaceoverwhichtheintensityismeasureditispossibletoselectivelyexcludetheinfluenceofsoundenergypathsincludingtheeffectsfromjoints,gapsaswellasflankingsoundpaths.ThismethodmaybeparticularlyusefulwhenaccuratemeasurementsofapartitioncannotbemadeinanTestMethodE90facilitybecausethepartitionsoundinsulationislimitedbyflankingtransmissioninvolvingfacilitysourceandreceiverroomsurfaces,(forexample,thepathfromthesourceroomfloortothereceiverroomfloorviatheisolatorsandtheslabsupportingthetwo).AnnexA3discussesthisindetail.Thediscretepointmethodallowsthemappingoftheradiatedsoundintensitywhichcanbeusedtoidentifydefectsoruniquefeatures(2)ofthepartition.Currentresearchreportedintheliteratureindicatethatthereexistsabiasbetweenmeasuresoftransmissionlossobtainedusingtheintensitytechniqueandthoseobtainedusingtheconventionaltworoomreverberationtechnique(forexample,TestMethodE90,(3)and(4)).AppendixEprovidesestimatesofthebiasthatmightbeexpected.Despitethepresenceofabias,nocorrectionsaretobeappliedtothemeasureddataobtainedbythistestmethod.1.1Thistestmethodcoversthemeasurementofairbornesoundtransmissionlossofbuildingpartitionssuchaswallsofallkinds,operablepartitions,floor-ceilingassemblies,doors,windows,roofs,panelsandotherspace-dividingbuildingelements.Itmayalsobehaveapplicationsinsectorsotherthanthebuildingindustry,althoughthesearebeyondthescope.1.2Thistestmethodmaybeusedtorevealthesoundradiationcharacteristicsofapartitionorportionthereof.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThemethodformeasuringthesoundintensityradiatedbythebuildingelementundertestdefinedbythisASTMstandardmeetsorexceedsthoseofISO15186-1.SpecialconsiderationwillhavetobegiventorequirementsforthesourceroomandspecimenmountingifcompliancewithISO15186-1isalsodesiredastheydifferfromthoseofthisstandard.
【中国标准分类号】:
【国际标准分类号】:91_120_20
【页数】:15P.;A4
【正文语种】:
基本信息
| 标准名称： | PN2.0MPa(20bar)凸面对焊钢制管法兰 |
| 中标分类： |
机械 >>
通用零部件 >>
管路附件 |
| 替代情况： | 被GB/T 9115.1-2000代替 |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1989-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 机械 通用零部件 管路附件