【英文标准名称】:Testmethodsfordeterminingthecontributiontothefireresistanceofstructuralmembers-Verticalprotectivemembranes
【原文标准名称】:测定结构薄板耐火性的试验方法.垂向防火薄板
【标准号】:BSDDENV13381-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-08-02
【实施或试行日期】:2002-08-02
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:耐火材料;耐火性;燃烧试验;性能试验;耐火时间;结构构件;消防设备;承重墙;火焰表面传播;组件;防火耐火结构;定义;建筑物组件的试验;防火;规范(验收);建筑
【英文主题词】:
【摘要】:ThispartofthisEuropeanPrestandardspecifiesatestmethodfordeterminingtheabilityofaverticalprotectivemembrane,whenusedasafireresistantbarrier,tocontributetothefireresistanceofloadbearingverticalstructuralbuildingmembersfabricatedfromsteel,concrete,steel/concretecompositesortimber.Themethoddescribedisapplicabletoanytypeofverticalprotectivemembrane,whichcanbeassociatedwithaseparatebracingmembrane.Theverticalprotectivemembranecanbeseparatefromthestructuralbuildingmemberandbeselfsupportingorcanbeattachedtothestructuralbuildingmemberandcanformpartofanyloadbearingstructure.Thistestmethodisapplicabletoverticalprotectivemembraneswherethereisaseparatinggapofatleast5mmsizebetweentheverticalprotectivemembraneandthestructuralbuildingmember,otherwisealternativetestmethodsENV13381-3,ENV13381-4,ENV13381-6orENV13381-7shouldbeusedasappropriateThistestmethodandassessmentisnotapplicabletothefollowing:a)allsituationswherethecavitybehindtheverticalprotectivemembranecontainsmorethanaspecifiedamountofcombustiblematerials,e.g.electricalcablesandpipes,otherthanwheretimberstructuralmembersthemselvesarerequired;b)allsituationswherethecavityistobeusedasaserviceorventilationshaft;c)allsituationswheretheverticalprotectivemembraneactsasabracingmembrane.ThisEuropeanPrestandardcontainsthefiretestwhichspecifiesthetestswhichshouldbecarriedoutwherebytheverticalprotectivemembranetogetherwiththestructuralmembertobeprotectedisexposedtothespecifiedfire.Thefireexposure,tothestandardtemperature/timecurvegiveninEN1363-1,isappliedtothesidewhichwouldbeexposedinpractice.Thetestmethodmakesprovision,throughspecifiedoptionaladditionalprocedures,forthecollectionofdatawhichcanbeusedasdirectinputtothecalculationoffireresistanceaccordingtotheprocessesgiveninENV1992-1-2,ENV1993-1-2,ENV1994-1-2andENV1995-1-2.ThisEuropeanPrestandardalsocontainstheassessmentwhichprovidesinformationrelativetotheanalysisofthetestdataandgivesguidancefortheinterpretationoftheresultsofthefiretest,intermsofloadbearingcapacitycriteriaoftheprotectedverticalstructuralmember.Theresultsofthefiretestandtheassessmentcanbeapplied,withcertaindefinedprovisions,toverticalstructuralbuildingmemberswhichcanbebeams,columnsoracombinationofbothand/orwhichcouldformpartofaseparatingelementorpartition.Thelimitsofapplicabilityoftheresultsoftheassessmentarisingfromthefiretestaredefined,togetherwithpermitteddirectapplicationoftheresultstodifferentstructures,membranesandfittings.
【中国标准分类号】:C80
【国际标准分类号】:13_220_50
【页数】:34P;A4
【正文语种】:英语