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【英文标准名称】:StandardPracticeforDeterminingtheResistanceofSingleGlazedAnnealedArchitecturalFlatGlasstoThermalLoadings
【原文标准名称】:单个上釉建筑平面玻璃对热负载耐力测定标准实施规程
【标准号】:ASTME2431-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E06.51
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:退火;测定;平面玻璃;上釉的;负荷;耐力;单;热的
【英文主题词】:annealedglass;thermalstress;thermalbreakage;glass;flatglass;soda-limesilicaglass;thermalload
【摘要】:Useofthispracticeassumes:5.1.1theglassedgesshallbefreefromdamage,5.1.2theglassshallbeproperlyglazed,5.1.3theglassshallnothavebeensubjectedtoabuse,and5.1.4theglassedgesupportallowsin-planemovementoftheglassduetothermalexpansionandcontraction.Thispracticedoesnotaddressallfactorsthatcausethermallyinducedstressesinannealedglass.Factorsthatarenotaddressedinclude:transientthermalstresses,HVACregisters,thermallyinsulatingwindowcoverings,dropceilingsandotherheattraps,increasedsolarirradiancecausedbyexteriorreflections,variationsinheattransfercoefficientsotherthanthoseassumedforthesteadystateanalysisdescribedherein,andstressesinducedbythermalsourcesotherthanthesun.Factorsotherthanthoselistedabovemayalsoinducethermalstress.Manyotherfactorsshallbeconsideredinglassselection.Thesefactorsinclude,butarenotlimitedto,mechanicallyinducedstresses,windeffects,windbornedebrisimpacts,excessivedeflections,seismiceffects,heatflow,noiseabatement,potentialpost-breakageconsequences,andsoforth.Inaddition,considerationssetforthinbuildingcodesalongwithcriteriapresentedinsafetyglazingstandardsandsitespecificconcernsmaycontroltheultimateglasstypeandthicknessselection.Theproperuseofthispracticeisintendedtoreducetheriskofthermallyinducedbreakageofannealedwindowglassinbuildings.1.1Thispracticecoversaproceduretodeterminetheresistanceofannealedarchitecturalflatglasstothermallyinducedstressescausedbyexposuretosunandshadowsforaspecifiedprobabilityofbreakage(Pb).Properuseofthisprocedureisintendedtoreducethepossibilityofthermalbreakageofannealedglassinbuildings.1.2Thispracticeappliestoverticalorslopedglazinginbuildings.1.3Thispracticeappliestomonolithicandlaminatedglassofrectangularshapeandassumesthatallglassedgesaresimplysupported.1.4Thispracticeappliesonlytoannealedflatsoda-limesilicaglasswithcleancut,seamed,flatground,orgroundandpolishededgesthatarefreefromdamage.Theglassmaybeclearortintedaswellascoated(notincludingcoatingsthatreduceemissivityoftheglass).1.5Thispracticedoesnotapplytoanyformofwired,patterned,etched,sandblasted,drilled,notched,orgroovedglassorglasswithsurfaceandedgetreatments,otherthanthosedescribedinsection,thataltertheglassstrength.1.6Thispracticedoesnotaddressuniformloadssuchaswindandsnowloads,safetyrequirements,fire,orimpactresistance.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.ForconversionofquantitiesinvarioussystemsofmeasurementstoSIunitsrefertoIEEE/ASTMSI-10.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:10P.;A4
【正文语种】: