木结构建筑防火的研究现状

21　5Vol.21　No.5CHINAWOODINDUSTRY20079September2007:2007-01-17;　:2007-08-05:(05EFN216700387);(2006-103)。:(1982—),,。:,,,。姚利宏1,王喜明1,费本华2,赵荣军2(1.,010018;2.;,100091):　随着我国经济的发展和人们对居室环境要求的提高,现代木结构建筑已成为新的热点,木结构建筑的防火问题亦成为研究的重点。本文介绍我国的木结构发展现状,通过分析对比木结构、钢结构和钢筋混凝土建筑的防火特点,阐述改善木结构建筑防火性能的措施,提出我国今后木结构建筑防火研究的重点。:　木结构建筑;防火;现状中图分类号:TS6;S782.39　　　文献标识码:A　　文章编号:1001-8654(2007)05-0029-03PresentStatusofFireproofingforWoodenBuildingsYAOLi-hong1,WANGXi-ming1,FEIBen-hua2,ZHAORong-jun2(1.CollegeofForestryEngineering,InnerMongoliaAgricultureUniversity,Huhhot010018,InnerMongolia,China;2.ResearchInstituteofWoodIndustry,ChineseAcademyofForestry;KeyLabofWoodScienceandTechnologyofStateForestryAdministration,Beijing100091,China)Abstract:　Withgreatereconomicdevelopmentandtheimprovementofpeople’sstandardofliving,modernwoodenstructureshavebecomeanewhotspotincurrentconstruction.Therefore,fireproofperformanceofwoodenbuildingsisbecomingmoreandmoreimportant.TheauthorsfirstintroducethedevelopmentstatusofwoodenbuildingsinChina.Theythendescribetheadvantagesoffireproofingwoodenbuildingsascomparedtosteelconstructionandreinforcedconcreteconstruction.Inconclusion,theymakesomesuggestionsforfurtherresearchanddevelopmenttrendsonfireproofingofwoodenbuildings.Keywords:　woodenstructurebuildings;fireproofing;presentstatus　　,、,,。、、、,、、、、、,。,、、。、,。,,。,,。,、、、、。:2。2、、,,。,。291　1.1　,,。0.25h。,[1]:1),;2)。,,,;3)、、,,,。、,;4)、,,;、、、、。。1.2　、。,,。,30min,(11.5h,21.0h)。2080,,,,。:,,,,,。2　GB50005-2003《》。,,GB50016-2006《》,;GB50222-95《》,B2。,。。2.1　1)　,90%、、10%(、、)。,800～1300℃[2]。,,。,,,。[3-4],:。,,,。2)　5000,,、,,、。,。2:,()[5]。3:①。,,;②。,;③。,、,,,“”。,。,,。,,,、,,,。2.2　、[6-8]。:,。、、,2h。,、30Vol.21　No.5　CHINAWOODINDUSTRYSeptember2007。,。,,,。,,45min2;10min。,,。2.3　、1),,,,。,、,,;,、、,。2)1.3、1.7[9],,。3),。(),0.4～0.8mm/min。,,0.4%,0.05%,,,。,[9]。3　,。,()、()。,:1)　,“”,,,;,,,,[10]。2)　、;,。3)　,,。,,50%,。,。,。,。4)　、、。5)　,、、。:[1]　,.[M].:,2006:121-129.[2]　.[J].,1995(4):26-28.[3]　BrehohDG,KnlkarniAK.Timedependentmasslossratebehaviorofwallmaterialsunderexternalradiation[J].FireandMaterials,1991(17):249-254.[4]　OhlemillerTG,KashiwagiT,WernerK.Woodgasificationatfirelevelheatflues[J].CombustionandFlame,1987(69):155-170.[5]　.()[M].:,1997:686-691.[6]　HaradaT,UesugiS,MasudaH.Fireresistanceofthickwood-basedboards[J].TheJapanWoodResearchSociety,2006(52):544-551.[7]　HasemiYJ,YasuiN,AkizukiM.FiresafetyperformanceofJapanesetraditionalwood/soilwallsandimplicationsfortherestorationofhistoricbuildingsinurbandistricts[J].FireTechnology,2002(38):391-402.[8]　SultanMA,KodurVR.Light-weightframewallassemblies:parametersforconsiderationinfireresistanceperformance-baseddesign[J].FireTechnology,2000,36(2):75-88.[9]　C.Anoverviewofresistivedesignofexposedtimberstructures[J].WorldArchitecture,2002(9):76-77.[10].[J].,2006(7):20-21.(责任编辑　姜征、赖威)3121　5　20079