SAEJ850V002-固定刚性碰撞实验

SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.TOPLACEADOCUMENTORDER;[phone]FAX:[phone]SAEWEBADDRESS—Fixedrigidbarriercollisionscanrepresentsevereautomotiveimpacts.Decelerationconditionsduringfixedrigidbarriercollisionsaremorereadilyreproduciblethanthoseoccurringduringimpactswithyieldingbarriers.Barriercollisiontestsareconductedonautomotivevehiclestoobtaininformationofvalueinreducingoccupantinjuriesandinevaluatingstructuralintegrity.ThepurposeofthisSAERecommendedPracticeistoestablishsufficientstandardizationofbarriercollisionmethodssothatresultsofsimilartestsconductedatdifferentfacilitiescanbecompared.Thebarrierdevicemaybeofalmostanyconfiguration,suchasflat,round,offset,etc.1.1Objectives—Theprimaryobjectiveofthisstandardtestmethodistoproviderealisticsimulationoftheforceswhichactonvehiclesandoccupantsduringaccidentalcollisionswithfixedobjects.Measurementsofstructuralloadsanddeflections,determinationofoccupantdynamics,andphotographicandpost-collisionobservationsofpertinentspecialeventsmaybeusefulinestablishingdesigncriteria.2.References2.1ApplicablePublication—Thefollowingpublicationsformapartofthisspecificationtotheextentspecifiedherein.Unlessotherwisespecified,thelatestissueofSAEpublicationsshallapply.2.1.1SAEPUBLICATIONS—AvailablefromSAE,400CommonwealthDrive,Warrendale,PA15096-0001.SAEJ211/1—InstrumentationforImpactTest—Part1—ElectronicInstrumentationSAEJ211/2—InstrumentationforImpactTest—Part2—PhotographicInstrumentationSAEEA-23—Owner'sManualforHybridIIIDummySAEEA-25—CalibrationProcedures—HybridIIISmallFemaleDummySAEEA-26—CalibrationProcedures—HybridIIILargeMaleTestDummySAEEA-27—User'sGuidefortheTwelveandEighteenMonthOldInfantDummies(CRABI)SAEEA-28—User'sGuidefortheSixMonthOldInfantDummy(CRABI)SAEEA-29—User’sGuidefortheSixYearOldHybridIIIDummySAEEA-31—User’sGuidefortheThreeYearOldHybridIIIDummy2.1.2FMVSSPUBLICATION—AvailablefromtheSuperintendentofDocuments,U.S.GovernmentPrintingOffice,MailStop:SSOP,Washington,DC20402-9320.FMVSS208Part572SAEJ850RevisedSEP2000-2-3.CrashTestFacility3.1TestSite,General—Thetestsiteshouldencompasssufficientareatoprovideaccommodationsforthebarrier,locationofvariousphotographic(orvideorecording)equipment,aprotectedobserverarea,andaccelerationofthetestvehicletodesiredspeedatimpact.3.1.1Theimmediatecrashsiteshouldbelevel.3.1.2Theapproachandsurfaceattheimpactareashouldbepavedandfreefromanysurfaceirregularitiesthatcouldimpactverticalaccelerationsordisplacementsofthetestvehicle.3.1.3Allowancesforprecisepositioningofphotographic(orvideo)equipmentshouldbemade.3.1.4Apitmaybeinstalledinfrontoftheimpacteddevicetoaccommodateundervehiclephotography.3.2Barrier—Aflatbarriersuitableforimpacttestingofpassengercarsandlighttrucksandvansshouldhavethecharacteristicslistedasfollows:3.2.1Thebarrierfaceshouldbeatleast3m(10ft)wideand1.5m(5ft)high,butshallbelargeenoughtoaccommodatetheentirefrontalcrushareaofthevehicle.3.2.2Thebarrierfaceshouldbenormaltothefinalapproachpathandshallbefacedwith1.9cm(0.75in)plywood.3.2.3Thebarriersizeandconstructionshouldbesufficienttolimitbarrierfacemotiontolessthan1%ofthepermanentcrushofthevehicle.3.2.4Theeffectivemassofthebarriermaybeachievedwithreinforcedconcreteandcompactedfill.3.2.5Thebarrierfacemayincludeaload-measuringdeviceprovidedthecombinationofthebarrierandload-measuringdeviceshallconformto3.2.1,3.2.2,and3.2.3.3.3AlternativeImpactBarriers—Fixturesmaybeattachedtothebarrierortoanequivalentrigidstructuretosimulatetheforcesactingonthevehicleandoccupantsunderalternativeimpactconditions.Typicalfixturesincludeoffsetbarriers,angledbarriers,poles,andotherroadsidedevices.3.3.1Fixturesmayincorporateload-measuringdevicesprovidedthecombinationofthebarrier(orrigidstructure),thefixture,andtheload-measuringdevice(s)conformto3.2.3.3.3.2Detailsoftheload-measurementtechniqueswillbeuniquetoeachapplicationandshouldbedefined.3.3.3Thisdocumentdoesnotspecifyfixturegeometryasthiswilldependupontheapplication.However,thefixturedesignshallbedocumentedsothatotherfacilitiescanreproducethefixture.Typicalvariablestobedeterminedforeachapplicationincludebarrierangle(30degreesistypical),polediameter,lateraloffset,andcornerradiusofanoffsetbarrier.3.4BarrierApproach—Thetypeapproachrequireddependsuponthetechniqueemployedtoobtaindesiredcrashspeedofthetestvehicle.Practicalbarrierapproache