基于性能理論的石化系統(tǒng)抗震性能評估

1、同濟(jì)大學(xué)博士學(xué)位論文基于性能理論的石化系統(tǒng)抗震性能評估姓名：曹炳政申請學(xué)位級別：博士專業(yè)：防災(zāi)減災(zāi)工程與防護(hù)工程指導(dǎo)教師：羅奇峰楊玉成20030401旦墮盔蘭豎主蘭竺堡苧一塑墨一ABSTRACTInthisdissertationperformance—basedseismictheoryisappliedtoseismicevaluationtopetrochemicalsystemowingtosomequestionsinstan

2、dardforseismicassessmentCombinedwiththeitemnamedStudyonSeismicAppraiserandDisasterPredictionandPreventableCountermeasureforDushanzirefineryfivepointsofsmdiasaredonemainresearchresults勰summarizedasfollows：(1)Thepresentati

3、onanddefmitionandtheoryfrlmaeandstatusofperformancebaSedseismictheoryaregeneralized，anddisplacementbasedperformancedesignandevaluationmethodisaneffectivewaytorealizationofPBSTTherelationbetweenperformancelevelanddisplace

4、mentindexisgiven，andperformanceobjectivesofrefmeryarepresented(2)Evaluationmethodsofbuildingsandstructuresaregeneralized，whichincludeexperientialandtheoreticalmethod，somefaultsofthetwomethodsarepointedoutUsingcapacityspe

5、ctramethodseismicperformanceofsixreinforcedconcreteframesareevaluatedundereightintensityzone，resultsshowthatcapacityspectramethodbecauseofitsreliableperformanceindexismoreeffectivethancodemethodoftwolevelappraisermethod(

6、3)DisaSterphenomenaofverticalliquidtanksandfllrnacesandtowersandhorizontaltanksinpetrochemicalref№ryateanalyzed，thecommoncharacteristicofconnectiondamageispresented，performanceevaluationindexandperformancelevelbasedonsei

7、smicdamageandconnectionperformancearepresentedSeismicperformanceofpetrochemicalequipmentsisevaluated；theresults8rethesarfleasthoseusingcodemethod(4)Thereexistsubsystemsofpetrochemicalequipments，howeverwhenseismicresponse

8、ofpetrochemicalequipmentsiscalculatedusingcodemethodspecified，theinfluenceofpipesconnectedwithequipmentisn’tconsideredSubsystemmodelofequipmentconnectedtopipesispresentedtwoconditionsareconsideredwithpipeequalityandwitho

9、utpipeequalityDynamicinteractioneffectbetweenequipmentmadpipeisstudiedusingnumericalmethodAtlastusingFEMthedynamicinteractioneffectoftwoexamplesisanalyzed，lheMimeconclusionisdrawn，andsomemeaSuresreducingadverseinteractio

10、neffectaresuggested(5)Demandandcapacit／factormethodisappliedtoevaluatedseismicperformanceofsteelframesconsideringuncertaintyandrandomnessIncrementaldynamicanalysisisspeciallystudiedtoestimatestructuralcapacitycalculatedr

11、esultsshowseismicperformanceatdifferentperformancelevelCanbegainedthroughIDA；differencebetweenIDAandSPOisstudiedfromestimatingstructuraldeformationcapacity；theLagrangeinterpolationmethodisappliedtoproducemoreperformancep

12、oints，SOisteducethenumberofnonlineardynamicanalysis，Atlast，fivekindsofsteelframesusingDCFMa糟evaluated，andtheirreliabilityperformanceundereightydensityzoneisgotitprovesthatthemethodisapplicableandreliableKeywords：seismicp