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1、EUROPEANSTANDARDEN1794-2NORMEEUROPÉENNEEUROPÄISCHENORMJanuary2011ICS93.080.30SupersedesEN1794-2:2003EnglishVersionRoadtrafficnoisereducingdevices-Non-acousticperformance-Part2:GeneralsafetyandenvironmentalrequirementsDispositifsderéductiondubruitdutraficroutier
2、-LärmschutzeinrichtungenanStraßen-NichtakustischePerformancesnonacoustiques-Partie2:ExigencesEigenschaften-Teil2:AllgemeineSicherheits-undgénéralespourlasécuritéetl'environnementUmweltanforderungenThisEuropeanStandardwasapprovedbyCENon10December2010.CENmembersa
3、reboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtoth
4、eCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCEN-CENELECManagementCentrehasth
5、esamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Pola
6、nd,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:AvenueMarnix17,B-1000Brussels©2011CENAllrightsofexploitationinanyformand
7、byanymeansreservedRef.No.EN1794-2:2011:EworldwideforCENnationalMembers.EN1794-2:2011(E)ContentspageForeword..........................................................................................................................................................
8、............3Introduction....................................................................................................................................................
