BS 476-7-1997 建筑材料和构件燃烧试验.第7部分:测定制品火焰表面蔓延分类的试验方法

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【英文标准名称】:Firetestsonbuildingmaterialsandstructures-Methodoftesttodeterminetheclassificationofthesurfacespreadofflameofproducts
【原文标准名称】:建筑材料和构件燃烧试验.第7部分:测定制品火焰表面蔓延分类的试验方法
【标准号】:BS476-7-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-01-15
【实施或试行日期】:1997-01-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:辐射;试验设备;设计;建筑物防火;顶棚;试样制备;尺寸;试验条件;火焰扩散等级;防火耐火结构;校正;施工材料;墙;建筑系统构件;火灾试验等级;分类系统;火焰表面传播;试样;燃烧试验
【英文主题词】:Calibration;Ceilings;Classificationsystems;Constructionmaterials;Constructionsystemsparts;Design;Dimensions;Firesafetyinbuildings;Firetests;Fire-testclassifications;Flame-spreadclassifications;Radiation;Specimenpreparation;Structuralfireprotection;Surfacespreadofflame;Testequipment;Testspecimens;Testingconditions;Walls
【摘要】:ThisPartofBS476specifiesamethodoftestformeasuringthelateralspreadofflamealongthesurfaceofaspecimenofaproductorientatedintheverticalpositionunderopposedflowconditions,andaclassificationsystembasedontherateandextentofthespreadofflame.Itprovidesdatasuitableforcomparingtheend-useperformancesofessentiallyflatmaterials,compositesorassemblies,whichareusedprimarilyastheexposedsurfacesofwallsorceilings.AnnexAgivesguidancetooperatorscarryingoutthismethodoftest.AnnexBdiscussestheeffectofthermalcharacteristicsontheperformanceofassembliesandgivesadviceontheconstructionandpreparationoftestspecimens.AnnexCgivesinformationonthevalidationofthismethod.NOTE.Thetestresultsrelateonlytothebehaviourofthetestspecimensoftheproductundertheparticularconditionsoftest;theyarenotintendedtobethesolecriterionforassessingthepotentialfirehazardoftheproductinuse.
【中国标准分类号】:P16;Q10
【国际标准分类号】:13_220_50
【页数】:24P;A4
【正文语种】:英语