BS ISO/TR 12470-1998 防火试验.试验结果的应用和扩展指南
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【英文标准名称】:Fireresistancetests.Guidanceontheapplicationandextensionofresults
【原文标准名称】:防火试验.试验结果的应用和扩展指南
【标准号】:BSISO/TR12470-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【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】:顶棚;电气工程;电工产品;外插;着火危险试验;耐火性;火险;建筑物防火;燃烧试验;楼板;指导手册;承重墙;密封件;吊顶;试验结果;测试;墙;水含量的测定
【英文主题词】:Ceilings;Electricalengineering;Electrotechnicalproducts;Extrapolation;Firehazardtest;Fireresistance;Firerisks;Firesafetyinbuildings;Firetests;Floors;Guidebooks;Loadbearingwalls;Seals;Suspendedceilings;Testresults;Testing;Walls;Watercontentdetermination
【摘要】:Directandextendedapplicationsoftestresultsarethetwopossiblewaystoensurethatamodifiedelementwillhaveagoodpossibilityofobtainingthesamefireratingasthatoftheoriginaltestedspecimen.Inbothcasestheseapplicationsreferonlytothefireratingthatthebuildingelementcanexpecttoreachifitweretobetestedinafurnaceaccordingtothestandardfireusedforthereferencetest.Foreachtypeofelementofconstruction,theapplicationoftestresultswillbeconsideredundertwosub-headings.a)Directapplication:thissectionidentifiesthemodificationsthatcanbemadetothedesignofthetestedelementwithoutreducingitsfirerating.Thesepossiblemodificationsarebasedonobviousknowledgeanddonotneedfurtherevaluation.Ineverycaseitis,atleast,assumedthatthebasicmaterialsusedforthetestedsamplewillnotbechanged.Theresultsobtainedfromtestsperformedusingstandardconfigurationsarevalidforthefieldofapplicationderivedfromthatconfiguration,regardlessofanyspecificadvicegiveninthefollowingchapters.b)Extendedapplication:thiswillrequireineverycaseanassessmentbyafireexperteitherindevelopingrulesofapplicationorevaluatingtheresultsoffireengineeringcalculationsormakingajudgement.Ineverycaseitwillbetakenintoconsiderationthatextendedapplicationmaytakeintoaccountthedifferencebetweentheresultoftheoriginaltestandthefireresistancerequiredfortheuntestedelement.Ajudgementistheresultofaqualitativeprocess,normallycarriedoutbyexperts.Judgementsareusedtojustifyachangeofdesignormethodofconstructionwhichmayuse,forexample,empiricaldataderivedfromtests,establishedphysicalproperties,hotandcoldstatecalculations,aknowledgeoffireexposure,firebehaviourandresponseoftheconstruction,eitherinisolationorincombination.1)Rulesofapplication:thesewouldbeapplieduniversallyevenbypersonswithoutexpertiseinfireaspartofthe"fieldofapplication"ofthetestresultforagivenfamilyofproducts.Theserulesmayrequirecoldstatecalculation.Thequantificationoftheseruleswouldbeagreeduniversallybaseduponvalidatedexperiencerelatedtogenericconstructionsorcomponents.Thiscouldcoversizechanges,numberofjoints,sizeofglazingetc.ThroughoutthisTechnicalReporttheclausescoveringrulesfrequentlyexpresstheacceptablechangeintermsofun-quantifiedpercentagesindicatedbytheletter"X"andanappropriatesuffix.Thisallowsnationalcodeauthoritiestoinserttheirownacceptablelimitswhichwillrelatetotheirestablishedfiresafetyphilosophy.Authoritiesareencouragedtosupportthenecessaryresearchtowardsinternationallyharmonizedvalidatedvalue.2)Fireengineeringcalculations:thesewouldbeusedbyanexpertingivingadvicebutwillmainlyberestrictedtothepropertiesindicatedbelow:·non-loadedelements:thiswouldberestrictedtothecalculationoftemperatureriseanddeflectionof"simple"componentsandelements;·loadedelement:inadditiontothepropertiespermittedfornon-loadedelements,calculationatelevatedtemperaturecouldbepermittedfortheload-bearingcapacityforwell-documentedmaterials(steel,concrete,etc.)andforstaticallydeterminedelements.Ineverycasethecalculationmodelsusedbytheexperts,whatevertheirsource(purchasedfromsoftwaremanufacturersordevelopedintheinstitution)havetobefullyvalidatedbycomparisonwithexistingtestresultsandbysensitivityanalysisofthevariousparameters.3)judgements:foratestresulttobeextrapolatedtocoverchangesoutsidethoseforwhichcalculationsorwrittenrulesareapplicable,theresultmaystillapplysubjecttosomeexpertjudgementbeingmade.Thesectiononjudgementshighlightsthemattersthatneedtobeconsideredandtobeexplainedbytheb
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:70P.;A4
【正文语种】:英语
【原文标准名称】:防火试验.试验结果的应用和扩展指南
【标准号】:BSISO/TR12470-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【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】:顶棚;电气工程;电工产品;外插;着火危险试验;耐火性;火险;建筑物防火;燃烧试验;楼板;指导手册;承重墙;密封件;吊顶;试验结果;测试;墙;水含量的测定
【英文主题词】:Ceilings;Electricalengineering;Electrotechnicalproducts;Extrapolation;Firehazardtest;Fireresistance;Firerisks;Firesafetyinbuildings;Firetests;Floors;Guidebooks;Loadbearingwalls;Seals;Suspendedceilings;Testresults;Testing;Walls;Watercontentdetermination
【摘要】:Directandextendedapplicationsoftestresultsarethetwopossiblewaystoensurethatamodifiedelementwillhaveagoodpossibilityofobtainingthesamefireratingasthatoftheoriginaltestedspecimen.Inbothcasestheseapplicationsreferonlytothefireratingthatthebuildingelementcanexpecttoreachifitweretobetestedinafurnaceaccordingtothestandardfireusedforthereferencetest.Foreachtypeofelementofconstruction,theapplicationoftestresultswillbeconsideredundertwosub-headings.a)Directapplication:thissectionidentifiesthemodificationsthatcanbemadetothedesignofthetestedelementwithoutreducingitsfirerating.Thesepossiblemodificationsarebasedonobviousknowledgeanddonotneedfurtherevaluation.Ineverycaseitis,atleast,assumedthatthebasicmaterialsusedforthetestedsamplewillnotbechanged.Theresultsobtainedfromtestsperformedusingstandardconfigurationsarevalidforthefieldofapplicationderivedfromthatconfiguration,regardlessofanyspecificadvicegiveninthefollowingchapters.b)Extendedapplication:thiswillrequireineverycaseanassessmentbyafireexperteitherindevelopingrulesofapplicationorevaluatingtheresultsoffireengineeringcalculationsormakingajudgement.Ineverycaseitwillbetakenintoconsiderationthatextendedapplicationmaytakeintoaccountthedifferencebetweentheresultoftheoriginaltestandthefireresistancerequiredfortheuntestedelement.Ajudgementistheresultofaqualitativeprocess,normallycarriedoutbyexperts.Judgementsareusedtojustifyachangeofdesignormethodofconstructionwhichmayuse,forexample,empiricaldataderivedfromtests,establishedphysicalproperties,hotandcoldstatecalculations,aknowledgeoffireexposure,firebehaviourandresponseoftheconstruction,eitherinisolationorincombination.1)Rulesofapplication:thesewouldbeapplieduniversallyevenbypersonswithoutexpertiseinfireaspartofthe"fieldofapplication"ofthetestresultforagivenfamilyofproducts.Theserulesmayrequirecoldstatecalculation.Thequantificationoftheseruleswouldbeagreeduniversallybaseduponvalidatedexperiencerelatedtogenericconstructionsorcomponents.Thiscouldcoversizechanges,numberofjoints,sizeofglazingetc.ThroughoutthisTechnicalReporttheclausescoveringrulesfrequentlyexpresstheacceptablechangeintermsofun-quantifiedpercentagesindicatedbytheletter"X"andanappropriatesuffix.Thisallowsnationalcodeauthoritiestoinserttheirownacceptablelimitswhichwillrelatetotheirestablishedfiresafetyphilosophy.Authoritiesareencouragedtosupportthenecessaryresearchtowardsinternationallyharmonizedvalidatedvalue.2)Fireengineeringcalculations:thesewouldbeusedbyanexpertingivingadvicebutwillmainlyberestrictedtothepropertiesindicatedbelow:·non-loadedelements:thiswouldberestrictedtothecalculationoftemperatureriseanddeflectionof"simple"componentsandelements;·loadedelement:inadditiontothepropertiespermittedfornon-loadedelements,calculationatelevatedtemperaturecouldbepermittedfortheload-bearingcapacityforwell-documentedmaterials(steel,concrete,etc.)andforstaticallydeterminedelements.Ineverycasethecalculationmodelsusedbytheexperts,whatevertheirsource(purchasedfromsoftwaremanufacturersordevelopedintheinstitution)havetobefullyvalidatedbycomparisonwithexistingtestresultsandbysensitivityanalysisofthevariousparameters.3)judgements:foratestresulttobeextrapolatedtocoverchangesoutsidethoseforwhichcalculationsorwrittenrulesareapplicable,theresultmaystillapplysubjecttosomeexpertjudgementbeingmade.Thesectiononjudgementshighlightsthemattersthatneedtobeconsideredandtobeexplainedbytheb
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:70P.;A4
【正文语种】:英语
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