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ID:40961394
大小:109.42 KB
页数:6页
时间:2019-08-12
《SIDE IMPACT PROTECTION》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、SIDEIMPACTPROTECTIONDecadesofInactionandThousandsofUnnecessaryDeaths;StillNoStandardforSideImpactAirbagsandOtherMajorSafetyImprovementsAbout10,000peopledieeachyearinbothsingle-andmultiple-vehiclecollisionsinvolvingsideimpacts,eventhoughmanyofthesedeathscouldbepreventedbyimprovedsideimpa
2、ctsafetystandards.Sideimpactcrasheshaveincreasedinbothseverityandthenumberofdeathsoverthepastdecadedueprimarilytotheexplosivegrowthinthenumberofaggressivelydesignedsportutilityvehiclesinthenation’sfleet.PurchasesofSUVs,pickuptrucks,andlargevansnowcompriseone-halfofannualsalesofnewpassen
3、gervehicles.Notonlyhasthefederalgovernmentdraggeditsfeettopreventterriblydestructivetruckdesigns,buttheNationalHighwayTrafficSafetyAdministration(NHTSA)hasmadelittleprogresstowardimprovingsideimpactoccupantprotection,despiteproventechnologiessuchassideairbags.___________________________
4、_________________________________LowerInteriorSideImpactProtection(FMVSSNo.214):Jan.1,1973NHTSA’squasistaticsideimpacttesttakeseffectforpassengercars.Thetestreliesonpressingacylinderagainstpassengervehicledoorsandresultsinmoderateimprovementsinvehiclesresistingintrusion,particularlyfrom
5、poles.Dec.6,1979NHTSAissuesanadvancednoticeofproposedrulemaking(ANPRM)onupgradingthesideimpactstandardandbroadeningitsscopetoincludeallpassengercarryingvehicles.1980sNHTSAbeginstestingpassengervehiclesideimpactstrengthandoccupantprotectionwhenvehiclesstrikepolesinsideimpactcrashes.Jan.1
6、988NHTSAproposesaddingamoredemandingdynamictestprocedurethatusesamovingbarriersimulatinganothercartotestcarsideimpactsafetyperformance.Aug.1988NHTSAproposesupdatinglowerinteriorsideimpactprotection,includingtheuseofdynamictestsandtheneedtoaddresstheproblemsofdeepintrusionfromnarrow,fixe
7、droadsideobjects,suchastelephonepoles.Dec.1989NHTSAproposestoextendthecylindertestrequirementsintroducedin1971-1980tolighttrucks,buses,andmultipurposepassengervehicles(MPVs).Oct.30,1990NHTSAadoptsadynamicsideimpactprotectionrequirement,butonlyappliesittopassengercars.Italsoesta
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