基于BAYES理論的服役鋼框架結(jié)構(gòu)的框架柱抗力分析.pdf

1、沈陽建筑大學(xué)碩士學(xué)位論文基于BAYES理論的服役鋼框架結(jié)構(gòu)的框架柱抗力分析姓名：姚大立申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：張德海；劉明200903IIAbstract碩士研究生學(xué)位論文AbstractTheanalysisoftimedependentresistanceisthekeypartintheinspectionsafetyclassificationfsteelstructurebuildingduringtheen

2、listment.Thescientificalnessaccuracyofanalysiswoulddirectlyrelatetothesafetyofthestructure.Especiallyitwouldrelatetoreliabilitynmalusemaintenanceoftheimptantinfrastructurewhichwillaffectthenationaleconomythepeople’slivel

3、ihood.Thedependentreliabilityisnotbeconsideredin“Nationalunifiedstardfreliabilitydesignofbuildingstructure”(GB500682001)therelatedcodeofsteelbuildingdesignwhichbasesonit.Inthisconditiontheresearchingfthetheyinappliedtime

4、dependentresistanceisurgentlyneeded.Inthispaperfirstlythebasicconceptofthetimedependentresistanceofstructuresthehistyofresearchfreliabilitytheythepresentproblemarepresented.SecondlythebasicBAYES’sprincipletheinfluencingf

5、actsofentireserviceperiodfsteelframestructurearepresentedmodelofposteridistribution)(t?computationalmethodsofthetimedependentresistanceofstructuresabouttimevariablefunctionalareestablishedwhichhasverifiedanalyzedbytheexa

6、mple.FinallythecalculationmodelofresistanceposteridistributionfexistingsteelframestructureunderthetestloadisinducedusingBAYES’sprincipletheparametersofthemodelareanalyzedtoobtainthemostimptantparameterwhichinfluencesther

7、esistanceoftheexistingsteelframestructure.Thisdissertationtakestheexaminationdataonsiteasthefoundationusesthetechniqueofcomputersoftwaretheeticalanalysistogetsomemainconclusions：(1)Thistopicfocusesspeciallythereasonsofth

8、etimedependentresistanceofsteelframestructureinservicegetsthemodeloftimedependentresistancecomputationalmethodsfresistance’sattenuatingfactofframecolumnofsteelframestructurethroughBAYES’sprinciplemodelofthetimedependentf

9、unctioncurveismereasonablewiththeactualprojectsousingthemodelanalyzedtimedependentresistanceisreasonablewiththemodel.(2)Throughanalyzingfunctionvalueofpridistributionposteridistributionconsideringsteelframestructureisuse

10、dinindustrialbuildingsectionalareaissmalleroftensoweshouldusefunctionvalueofresistanceposteridistributioninreliabilityappraisal、detectionreinfcedofsteelframestructurehencesteelframestructurewillsafer.(3)Withtheenhancingo

11、frelatedcoefficientofsamplehonmaρsamplesizentestloadeffectqthepositivepartialdegreemodusdistributionaldensitywouldbeimprovedunderthetestloadeffect.Therefethemeanvalueofresistancethereliabilityofframecolumnofsteelframestr

12、uctureisimprovedthevarianceofresistanceisdecreased.Inallofthemtheimprovementofrelatedcoefficientofsamplehonmaρisthemostremarkable.Therefeweshouldconsidertheinfluenceoftheenhancingofrelatedcoefficientofsamplehonmaasthekey