【英文标准名称】:StandardPracticeforDeterminingLoadResistanceofGlassinBuildings
【原文标准名称】:建筑玻璃耐荷载性测定的标准实施规程
【标准号】:ASTME1300-2009a
【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】:E06.51
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:annealedglass;deflection;flatglass;fullytemperedglass;glass;heat-strengthenedglass;insulatingglass;laminatedglass;loadresistance;monolithicglass;probabilityofbreakage;snowload;sodalimesilicate;strength;windload;Loadingtests-
【摘要】:ThispracticeisusedtodeterminetheLRofspecifiedglasstypesandconstructionsexposedtouniformlateralloads.Useofthispracticeassumes:Theglassisfreeofedgedamageandisproperlyglazed,Theglasshasnotbeensubjectedtoabuse,Thesurfaceconditionoftheglassistypicalofglassthathasbeeninserviceforseveralyears,andisweakerthanfreshlymanufacturedglassduetominorabrasionsonexposedsurfaces,Theglassedgesupportsystemissufficientlystifftolimitthelateraldeflectionsofthesupportedglassedgestonomorethan1/175oftheirlengths.Thespecifieddesignloadshallbeusedforthiscalculation.Thecenterofglassdeflectionwillnotresultinlossofedgesupport.Note18212;Thispracticedoesnotaddressaestheticissuescausedbyglassdeflection.Manyotherfactorsshallbeconsideredinglasstypeandthicknessselection.Thesefactorsincludebutarenotlimitedto:thermalstresses,spontaneousbreakageoftemperedglass,theeffectsofwindbornedebris,excessivedeflections,behaviorofglassfragmentsafterbreakage,seismiceffects,heatflow,edgebite,noiseabatement,potentialpost-breakageconsequences,andsoforth.Inaddition,considerationssetforthinbuildingcodesalongwithcriteriapresentedinsafetyglazingstandardsandsitespecificconcernsmaycontroltheultimateglasstypeandthicknessselection.Forsituationsnotspecificallyaddressedinthisstandard,thedesignprofessionalshalluseengineeringanalysisandjudgmenttodeterminetheLRofglassinbuildings.1.1Thispracticedescribesprocedurestodeterminetheloadresistance(LR)ofspecifiedglasstypes,includingcombinationsofglasstypesusedinasealedinsulatingglass(IG)unit,exposedtoauniformlateralloadofshortorlongduration,foraspecifiedprobabilityofbreakage.1.2Thispracticeappliestoverticalandslopedglazinginbuildingsforwhichthespecifieddesignloadsconsistofwindload,snowloadandself-weightwithatotalcombinedmagnitudelessthanorequalto10kPa(210psf).Thispracticeshallnotapplytootherapplicationsincluding,butnotlimitedto,balustrades,glassfloorpanels,aquariums,structuralglassmembers,andglassshelves.1.3Thispracticeappliesonlytomonolithic,laminated,orinsulatingglassconstructionsofrectangularshapewithcontinuouslateralsupportalongone,two,three,orfouredges.Thispracticeassumesthat(1)thesupportedglassedgesfortwo,three,andfour-sidedsupportconditionsaresimplysupportedandfreetoslipinplane;(2)glasssupportedontwosidesactsasasimplysupportedbeam;and(3)glasssupportedononesideactsasacantilever.1.4Thispracticedoesnotapplytoanyformofwired,patterned,etched,sandblasted,drilled,notched,orgroovedglasswithsurfaceandedgetreatmentsthataltertheglassstrength.1.5Thispracticeaddressesonlythedeterminationoftheresistanceofglasstouniformlateralloads.Thefinalthicknessandtypeofglassselectedalsodependsuponavarietyofotherfactors(see5.3).1.6Chartsinthispracticeprovideameanstodetermineapproximatemaximumlateralglassdeflection.AppendixX1andAppendixX2provideadditionalprocedurestodeterminemaximumlateraldeflectionforglasssimplysupportedonfoursides.AppendixX3presentsaproceduretocomputeapproximateprobabilityofbreakageforannealed(AN)monolithicglasslitessimplysupportedonfoursides.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparentheses......
【中国标准分类号】:Q33
【国际标准分类号】:81_040_30
【页数】:61P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 雷达指向标 |
| 英文名称： | Radar beacon |
| 中标分类： |
船舶 >>
船舶电气、观通、导航设备 >>
导航设备 |
| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
导航和控制设备
|
| 替代情况： | JT/T 74-1993 |
| 发布日期： | 2007-04-03 |
| 实施日期： | 2007-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 10 |
适用范围
本标准规定了雷达指向标的分类、基本组成、技术要求、试验方法、检验规则及包装储存的要求。本标准适用于与船用雷达配合使用的雷达指向标。
前言
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引用标准
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所属分类： 船舶 船舶电气 观通 导航设备 导航设备 造船和海上建筑物 船舶和海上建筑物综合 导航和控制设备