UL 2079 BULLETIN-2008 修建物联结系统的耐火性试验UL安全性标准

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【英文标准名称】:ULStandardforSafetyforTestsforFireResistanceofBuildingJointSystems
【原文标准名称】:修建物联结系统的耐火性试验UL安全性标准
【标准号】:UL2079BULLETIN-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-04-11
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Thesetestsareapplicabletojointsystemsofvariousmaterialsandconstructionthatareintendedforuseinlinearopeningsbetweenadjacentfireresistivestructures.1.2Thefireenduranceratingsforjointsystemsareintendedtoregisterperformanceduringtheperiodoffireexposureandarenotintendedtobeinterpretedashavingdeterminedtheacceptabilityofthejointsystemsforusebeforeorafterfireexposure.Theintentofthesemethodsistodevelopdatatoassistothersindeterminingthesuitabilityofthejointsystemswherefireresistanceisrequired.1.3Theserequirementsareintendedtoevaluatethelengthoftimethatthetypesofjointsystemsspecifiedin1.1willcontainafireduringapredeterminedtestexposure.Thetestevaluatesthejointsystem'sresistancetoheatand,insomeinstances,toahosestream,whilecarryinganappliedloadiftheassemblyisloadbearing.Themethodoftestingalsoincludesoptionalairleakageteststodeterminetherateofairleakagethroughjointsystemsresultingfromaspecifiedairpressuredifferenceappliedacrossthesurfaceofthejointsystems.1.4Undertheserequirementsajointsystemissubjectedtoastandardfireexposurecontrolledtoachievespecifiedtemperaturesthroughoutaspecifiedtimeperiod.Thisexposurebyit
【中国标准分类号】:P16
【国际标准分类号】:13_220_50
【页数】:2P.;A4
【正文语种】:英语