基于GB-50341标准设计的立式拱顶储罐弱顶结构分析与评价-刘巨保

GB-50341*3000m3GB-50341、3、GB-50341GB-503413000m3。TQ053.2A0254-6094201104-0423-05、1。23。4。5。3000m36。1GB-503413000m315m101#～10#1780mmQ235-B10、9、8、7、7、6、6、6、6、6mmQ235-B9mmQ235-B∠65mm×65mm×8mm4mm18m1．2。Q235-B235MPa、470MPa。、pf。GB-503414．5mm1/6、A=mtg1415tanθA———mm2mt———、kgθ———324384*196312。163318。°g———9．81m/s2。mt=48891kgθ=24．55°A=2251mm21．222．45°tan24．55°=0．46＞16A'=741mm2A＞A'。4mm。GB-503413000m3。2。、。。2．13000m336°、1。shell93beam1881、、、solid45contact174contact17557023、61607、。。2．2。36°2。Shell93。16060、47303。233．13、、。3～7、、7。3、4214MPa475MPa。。424201175143MPa。61#、2#89MPa761MPa。JB4732。87145mm6．35mm。81#、2#JB47325243841．5。3．2140．21kPa9。1kPamm6．407135．56．386．381#、2#9940．21kPa1mm0．006mm－0．49mm0．0063mm－0．49mm0．16mm。。1。。4、。。1/639．56°6mm。230．15kPa。2kPamm2．802．762．7621#、2#。55．1GB-503413000m36242011。5．2GB-503413000m3、1#、2#。5．3GB-503413000m3。。3。5．43000m3、。1．J．2007344193～196．2PragerM．InvestigationofFrangibilityofGeodesicDomeRoofsUsedinAbovegroundStorageTanksJ．WeldingResearchCouncilProgressReports20056033～37．3MorgeneggE．NewDesignRulesforFrangibleRoofTanksJ．HydrocarbonProcessing197857811～14．4．J．19911011～5．5ZhiL．EvaluationofDesignCriteriaforStorageTankswithFrangibleRoofJointsM．WashingtonAmericanPetroleumInstitute19961～10．6GB50341-2003S．2003．7JB4732-1995S．1995．2010-09-14Weak-roofStructureAnalysisandEvaluationofVerticalDomeTankBasedonGB-50341LIUJu-baoXUYun-boNortheastPetroleumUniversityDaqing163318ChinaAbstractTakinga3×103m3verticaldometankasanexamplehavingitsweak-roofdesignedandevaluatedwithGB-50341standardanditsstressdistributionandstabilityanalyzedwithFEMtobringaboutthetankulti-matestrengthpressureandinternaldamagepressureatunstableconditionandlift-offradiusatemptyhalfandfullstate．Thisprovidesthebasisforthedesignandassessmentofverticaldometankwithweakroofstruc-ture．Keywordsoiltankweak-proofstructurestrengthstabilityfiniteelement．．．．．．．．．．Inededs．．．．．．．．．．．①333“”②“”“”。724384