ASTM D6305-2002e1 火焰阻滞剂处理的胶合板屋顶盖板计算弯曲强度设计调节因素的标准操作规程
作者:标准资料网
时间:2024-05-10 13:02:07
浏览:8972
来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforCalculatingBendingStrengthDesignAdjustmentFactorsforFire-Retardant-TreatedPlywoodRoofSheathing
【原文标准名称】:火焰阻滞剂处理的胶合板屋顶盖板计算弯曲强度设计调节因素的标准操作规程
【标准号】:ASTMD6305-2002e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:胶合板;屋顶;抗弯强度;防火剂
【英文主题词】:designloadvalues;fireretardanttreatment;plywood;strengthtest;
【摘要】:Thispracticedevelopstreatmentfactorsthatshallbeusedbyfireretardantchemicalmanufacturerstoadjustbendingstrengthdesignvaluesforuntreatedplywoodtoaccountforthefire-retardanttreatmenteffects.Thispracticeusesdatafromreferencethermal-loadcyclesdesignedtosimulatetemperaturesinslopedroofsofcommondesigntoevaluateproductsfor50iterations.Thispracticeappliestomaterialinstalledusingconstructionpracticesrecommendedbythefireretardantchemicalmanufacturersthatincludeavoidingexposuretoprecipitation,directwetting,orregularcondensation.Thispracticeisnotmeanttoapplytobuildingswithsignificantlydifferentdesignsthanthosedescribedin1.3.TestMethodD5516causedthermallyinducedstrengthlossesinlaboratorysimulationswithinareasonablyshortperiod.Theenvironmentalconditionsusedinthelaboratory-activatedchemicalreactionsthatareconsideredtobesimilartothoseoccurringinthefield.Thisassumptionisthefundamentalbasisofthispractice.1.1Thispracticecoversproceduresforcalculatingbendingstrengthdesignadjustmentfactorsforfire-retardant-treatedplywoodroofsheathing.Themethodsutilizetheresultsofstrengthtestingafterexposureatelevatedtemperaturesandcomputer-generatedthermalloadprofilesreflectiveofexposuresencounteredinnormalserviceconditionsinawidevarietyofclimates.1.2Necessarily,commonlaboratorypracticeswereusedtodevelopthemethodsherein.Itisassumedthattheprocedureswillbeusedforfire-retardant-treatedplywoodinstalledusingappropriateconstructionpracticesrecommendedbythefireretardantchemicalmanufacturers,whichincludeavoidingexposuretoprecipitation,directwetting,orregularcondensation.1.3Theheatgains,solarloads,roofslopes,ventilationrates,andotherparametersusedinthispracticewerechosentoreflectcommonslopedroofdesigns.Thispracticeisapplicabletoroofsof3in12orsteeperslopes,toroofsdesignedwithventareasandventlocationsconformingtonationalstandardsofpracticeandtodesignsinwhichthebottomsideofthesheathingisexposedtoventilationair.Theseconditionsmaynotapplytosignificantlydifferentdesignsandthereforethispracticemaynotapplytosuchdesigns.1.4InformationandabriefdiscussionsupportingtheprovisionsofthispracticeareintheCommentaryintheappendix.Alarge,moredetailed,separateCommentaryisalsoavailablefromASTM.1.5Themethodologyinthispracticeisnotmeanttoaccountforallreportedinstancesoffire-retardantplywoodundergoingprematureheatdegradation.1.6Thispracticeiswrittenininch-poundunitswithSIunitsprovidedinparenthesesforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:火焰阻滞剂处理的胶合板屋顶盖板计算弯曲强度设计调节因素的标准操作规程
【标准号】:ASTMD6305-2002e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D07.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:胶合板;屋顶;抗弯强度;防火剂
【英文主题词】:designloadvalues;fireretardanttreatment;plywood;strengthtest;
【摘要】:Thispracticedevelopstreatmentfactorsthatshallbeusedbyfireretardantchemicalmanufacturerstoadjustbendingstrengthdesignvaluesforuntreatedplywoodtoaccountforthefire-retardanttreatmenteffects.Thispracticeusesdatafromreferencethermal-loadcyclesdesignedtosimulatetemperaturesinslopedroofsofcommondesigntoevaluateproductsfor50iterations.Thispracticeappliestomaterialinstalledusingconstructionpracticesrecommendedbythefireretardantchemicalmanufacturersthatincludeavoidingexposuretoprecipitation,directwetting,orregularcondensation.Thispracticeisnotmeanttoapplytobuildingswithsignificantlydifferentdesignsthanthosedescribedin1.3.TestMethodD5516causedthermallyinducedstrengthlossesinlaboratorysimulationswithinareasonablyshortperiod.Theenvironmentalconditionsusedinthelaboratory-activatedchemicalreactionsthatareconsideredtobesimilartothoseoccurringinthefield.Thisassumptionisthefundamentalbasisofthispractice.1.1Thispracticecoversproceduresforcalculatingbendingstrengthdesignadjustmentfactorsforfire-retardant-treatedplywoodroofsheathing.Themethodsutilizetheresultsofstrengthtestingafterexposureatelevatedtemperaturesandcomputer-generatedthermalloadprofilesreflectiveofexposuresencounteredinnormalserviceconditionsinawidevarietyofclimates.1.2Necessarily,commonlaboratorypracticeswereusedtodevelopthemethodsherein.Itisassumedthattheprocedureswillbeusedforfire-retardant-treatedplywoodinstalledusingappropriateconstructionpracticesrecommendedbythefireretardantchemicalmanufacturers,whichincludeavoidingexposuretoprecipitation,directwetting,orregularcondensation.1.3Theheatgains,solarloads,roofslopes,ventilationrates,andotherparametersusedinthispracticewerechosentoreflectcommonslopedroofdesigns.Thispracticeisapplicabletoroofsof3in12orsteeperslopes,toroofsdesignedwithventareasandventlocationsconformingtonationalstandardsofpracticeandtodesignsinwhichthebottomsideofthesheathingisexposedtoventilationair.Theseconditionsmaynotapplytosignificantlydifferentdesignsandthereforethispracticemaynotapplytosuchdesigns.1.4InformationandabriefdiscussionsupportingtheprovisionsofthispracticeareintheCommentaryintheappendix.Alarge,moredetailed,separateCommentaryisalsoavailablefromASTM.1.5Themethodologyinthispracticeisnotmeanttoaccountforallreportedinstancesoffire-retardantplywoodundergoingprematureheatdegradation.1.6Thispracticeiswrittenininch-poundunitswithSIunitsprovidedinparenthesesforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20
【页数】:6P.;A4
【正文语种】:
下载地址:
点击此处下载