SAE AIR5880 Hydraulic Test Stand Equipment Features

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Product Code:SAE AIR5880
Title:Hydraulic Test Stand Equipment Features
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:
Rationale:
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【英文标准名称】:ERRATUM
【原文标准名称】:勘误表
【标准号】:JISE5008ERRATUM1-2008
【标准状态】:作废
【国别】:日本
【发布日期】:2008-03-14
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:
【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】:S35
【国际标准分类号】:
【页数】:1P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforLaboratoryMeasurementofImpactSoundTransmissionThroughFloor-CeilingAssembliesUsingtheTappingMachine
【原文标准名称】:使用夯击机进行冲击声通过地板和天花板组件的实验室测量标准试验方法
【标准号】:ASTME492-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:地板天花板组件;冲击声音传输;夯击机;声学试验;冲击声音传输(建筑元件);实验室声音传输测试;隔墙;夯击机方法
【英文主题词】:floorceilingassemblies;impactsoundtransmission;tappingmachine;Acousticaltests;Floor-ceilingassemblies;Impactsoundtransmission(buildingelements);Laboratorysoundtransmissiontesting;Partitions;Tappingmachinemethod
【摘要】:Thespectrumofthenoiseintheroombelowthetestspecimenisdeterminedbythefollowing:Thesizeandthemechanicalpropertiesofthefloor-ceilingassembly,suchasitsconstruction,surface,mountingoredgerestraints,stiffness,orinternaldamping,Theacousticalresponseoftheroombelow,Theplacementoftheobjectordeviceproducingtheimpacts,andThenatureoftheactualimpactitself.Thistestmethodisbasedontheuseofastandardizedtappingmachineofthetypespecifiedin8.1placedinspecificpositionsonthefloor.Thismachineproducesacontinuousseriesofuniformimpactsatauniformrateonatestfloorandgeneratesinthereceivingroombroadbandsoundpressurelevelsthataresufficientlyhightomakemeasurementspossiblebeneathmostfloortypeseveninthepresenceofbackgroundnoise.Thetappingmachineitself,however,isnotdesignedtosimulateanyonetypeofimpact,suchasproducedbymaleorfemalefootsteps.Becauseofitsportabledesign,thetappingmachinedoesnotsimulatetheweightofahumanwalker.Therefore,thestructuralsounds,i.e.,creaksorboomsofafloorassemblycausedbysuchfootstepexcitationisnotreflectedinthesinglenumberimpactratingderivedfromtestresultsobtainedbythistestmethod.Thedegreeofcorrelationbetweentheresultsoftappingmachinetestsinthelaboratoryandthesubjectiveacceptanceoffloorsundertypicalconditionsofdomesticimpactexcitationisuncertain.Thecorrelationwilldependonboththetypeoffloorconstructionandthenatureoftheimpactexcitationinthebuilding.Inlaboratoriesdesignedtosatisfytherequirementsofthistestmethod,theintentisthatonlysignificantpathforsoundtransmissionbetweentheroomsisthroughthetestspecimen.Thisisnotgenerallythecaseinbuildingswherethereareoftenmanyotherpathsforsoundsx2014;flankingsoundtransmission.Consequentlysoundratingsobtainedusingthistestmethoddonotrelatedirectlytosoundisolationinbuildings;theyrepresentanupperlimittowhatwouldbemeasuredinafieldtest.Thistestmethodisnotintendedforfieldtests.FieldtestsareperformedaccordingtoTestMethodE1007.1.1Thistestmethodcoversthelaboratorymeasurementofimpactsoundtransmissionoffloor-ceilingassembliesusingastandardizedtappingmachine.Itisassumedthatthetestspecimenconstitutestheprimarysoundtransmissionpathintoareceivingroomlocateddirectlybelowandthatagoodapproximationtoadiffusesoundfieldexistsinthisroom.1.2Measurementsmaybeconductedonfloor-ceilingassembliesofallkinds,includingthosewithfloating-floororsuspendedceilingelements,orboth,andfloor-ceilingassembliessurfacedwithanytypeoffloor-surfacingorfloor-coveringmaterials.1.3Thistestmethodprescribesauniformprocedureforreportinglaboratorytestdata,thatis,thenormalizedone-thirdoctavebandsoundpressurelevelstransmittedbythefloor-ceilingassemblyduetothetappingmachine.1.4LaboratoryAccreditation8212;TherequirementsforaccreditingalaboratoryforperformingthistestmethodaregiveninAnnexA2.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:9P.;A4
【正文语种】: