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基于模糊理论的火灾风险评估.pdf

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Availableonlineatwww.sciencedirect.com ProcediaEngineering11(2011)620–624 The5thConferenceonPerformance-basedFireandFireProtectionEngineering FuzzyComprehensiveEvaluationofFireRiskonHigh-Rise Buildings a,*b YIGuang-wangPPFPPFQINHua-liP a PPGuangdongTechnologyCenterofSafety,Guangzhou,510060,China b PPGraduateSchoolofWorkSafety,NortheasternUniversity,Shenyang,110004 Abstract Accordingtothecharacterofthehigh-risebuildingsfirerisk,thispaperestablishestheindexsystemoffireriskonhigh-rise building,calculatestheweightofeveryindexbyAHP,appliesfuzzypatternrecognitionmodelwiththeleastsummationof weightedgeneralizeddistanceinfuzzycomprehensiveassessment,setsupthefireriskassessmentmodelofhigh-risebuildings basedonthefuzzypatternrecognitionandbringsinfuzzycharacteristicquantityofsafetygradetodealwiththeassessment resultoffireriskonhigh-risebuilding.Atlast,thismethodstatedaboveisappliedtosomehotelinXi'anwhichcanprovide availablegistforperformance-basedfireprotectiondesignandsafetymanagement. ©2011PublishedbyElsevierLtd. Keywords:High-risebuildings,Firerisk,Fuzzypatternrecognition,Fuzzycomprehensiveevaluation,Riskfuzzycharacteristicquantity 1.Introduction Withcontinuousdevelopmentofeconomicandbuildingtechnology,high-risebuildingsaredevelopingrapidly atanalarmingrate,followingfireissuesarealsoincreasinglyprominent.Asthechimneyeffectofhigh-rise buildings,windsspeedupthefireandelectricalfires,makefirespreadfast.Buildingfunctionaldiversification, makingFirePreventionismorecomplex.Forthelayersandsizesofhigh-risebuildings,highconcentrationof peopleandpropertymakethefirefightingandevacuationoperationsverydifficultwheninfire.Thefiredangerin thesebuildingsismuchgreaterthaninordinaryone.Atpresent,therisingbuildingfirehasbeenoneofthemajor [1] problemswithgreatattentionsthroughoutthecountry,whichneedtoberesolvedeagerlyP.PItisnecessaryto establishthefireriskassessmentforhigh-risebuildingstopreventandcontroloffireaccidentseffectively. Inevaluationofhigh-risebuildingsfire,itisnecessa