ASTM F2248-2009 用夹层玻璃制造的防爆玻璃窗的等效3秒持续时间设计负荷规定的标准实施规范

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【英文标准名称】:StandardPracticeforSpecifyinganEquivalent3-SecondDurationDesignLoadingforBlastResistantGlazingFabricatedwithLaminatedGlass
【原文标准名称】:用夹层玻璃制造的防爆玻璃窗的等效3秒持续时间设计负荷规定的标准实施规范
【标准号】:ASTMF2248-2009
【标准状态】:现行
【国别】:美国
【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】:F12.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:airblastpressure;blastresistantglazing;explosion;insulatingglass;laminatedglass;specifieddesignload;Annealedglass;Blast-resistantmaterials/applications;Chemically-strengthenedflatglass;Explosions/explosives;Fully-tempered(FT)flatg
【摘要】:Thispracticeprovidesadesignloadsuitableforsizingblastresistantglazingcomprisedoflaminatedglassorinsulatingglassfabricatedwithlaminatedglass.Blastresistantglazingcomprisedoflaminatedglassorinsulatingglassfabricatedwithlaminatedglassshallbesizedtoresistthe3-seconddurationequivalentdesignloadingfromthisstandardpracticeusingtheproceduresdescribedinPracticeE1300.Blastresistantglazingcomprisedoflaminatedglassorinsulatingglassfabricatedwithlaminatedglasssizedusingthe3-seconddesignloadingdeterminedfromthispracticewillfracturesafelyintheeventofablast,thusreducingthepotentialforpersonalinjury,structuralandnon-structuralbuildingdamage,andcleanupcostsshouldanexplosionoccur.Intheeventablastloadingneveroccurstoblastresistantglazingcomprisedoflaminatedglassorinsulatingglassfabricatedwithlaminatedglasssizedusingthe3-seconddurationloadingdeterminedherein,theblastresistantglazingwillhaveaprobabilityofbreakagelessthanorequalto8litesper1000atthefirstoccurrenceofaloadingequaltothe3-seconddurationdesignloadingdeterminedherein.Blastresistantglazingdesignedtoresistthe3-secondequivalentloadasdeterminedherein,properlysupported,willperformtominimalhazardasdefinedinTestMethodF1642.1.1Thispracticesetsforthamethodtospecifyanequivalent3-seconddesignloadingsuitabletousewithPracticeE1300toselectthethicknessandtypeofblastresistantglazingfabricatedwithlaminatedglasstoglazeafenestration.Glasspliesusedtoconstructlaminatedglassarerecommendedtobeeitherannealedorheatstrengthenedglass.1.2Thispracticeappliestoblastresistantglazingfabricatedusinglaminatedglassonly,includingsinglelaminatedglassandinsulatingglassfabricatedwithlaminatedglass.Asaminimum,insulatingglassshalluselaminatedglassfortheinboard(protectedside)lite.1.3Thispracticeassumesthatblastresistantglazingshallbeadheredtoitssupportingframeusingstructuralsiliconesealantoradhesiveglazingtape.Thewidthofthestructuralsiliconesealantbeadshallbeatleastequaltothelargerof10-mm(3/8-in.)orthethicknessdesignationoftheglasstowhichitadheresbutnotlargerthantwotimesthethicknessdesignationoftheglasstowhichitadheres.Theminimumthicknessofthestructuralsiliconebeadshallbe5-mm(3/16-in.).Thewidthofglazingtapeshallbeatleastequaltotwotimesbutnotmorethanfourtimesthethicknessdesignationoftheglasstowhichitadheres.ThewidthofsiliconeorglazingtapeisreferredtoasbiteandisshownanddiscussedinGuideC1564.1.4Thispracticeassumesthatthestructuralsiliconebeadorglazingtapeisappliedtobothsidesofsinglelitelaminatedglassbutneedonlybeappliedtotheinboardside(protectedside)ofinsulatingglass.1.5ThispracticeassumestheframingmembersshallrestrictdeflectionsofedgesofblastresistantglazingtheysupporttoL/60under2.0x00D7;theloadresistanceoftheblastresistantglazingforinwardloading,whereLdenotesthelengthofthesupportededge.1.6Thispracticeassumestheframingsystemsupportingtheblastresistantglazingsha......
【中国标准分类号】:Q34
【国际标准分类号】:81_040_30
【页数】:4P.;A4
【正文语种】:英语