砼結(jié)構(gòu)及構(gòu)件可靠度對隨機變量的敏感性分析

1、武漢理工大學(xué)碩士學(xué)位論文砼結(jié)構(gòu)及構(gòu)件可靠度對隨機變量的敏感性分析姓名：陳華建申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：蔣滄如20040501武漢理工大學(xué)碩士學(xué)位論文AbstractReinforcementconcrete(RC)stmctureismostwidelyusedstructuralmodel，aboutwhosereliabilitytherearelargenumbersofresearchproductionsBas

2、edonthis，sensitivityanalysisofreliabilityforRCstructureandmembersthereoftandomvariablesormaininfluencingfactors，whichmeansthattheinfluencesduetothechangesofthesefactorsontheultimateresultswillbediscussed，andthatthesensit

3、ivedegreesofseveralparametersneededtobeconsideredindesignconstruction，andservicingincludingreinforcingteliabilitywillbeputforwardquantificationallyintermsofthedefinitionofsensitivityisanewevolutionfromstructuralreliabili

4、tyresearchandhasimportantguidemeaningonguaranteeingtheapplicability、securityandeconomyofstructureBasedontransversescientificresearchiternqualitycontroltosurgerybuildingen西neeringofWuhanXiehehospital，sensitivitiesofreliab

5、ilitieswithandwithouttimevaryingofreinforceconcretestructureandmemberstandomvariancesaresystemicallystudiedinthispaperThesensitivityindexeswithoutdimensionarerespectivelydefinedaboutdistributingparameterssensitivityandpa

6、rameterssensitivityinlimitstatefunctionssoaStocomparethemagnitudeofsensitivityteliabilityindexfromrandomvariancesInthetermsofsensitivityindexes，sensitivitiesofreliabilitiesareanalyzedforRCaxialcompressivemembers，flexural

7、membersandshearmembers，andbigandsinailexcursion—compressivemembers，inwhichresistancesarerespectivelyconsideredtobevaryingandtoremainconstantlywithtimeAndsensitivityrulesforthesemembersaresummedupduetolargenumbersofcalcul

8、atingexamplesTwofamiliardestroyformats，bendingdestroyandshearingdestroyappeartCframecolumnsunderseismactionThecolumnsdestroyisconsideredasaseriessystemmadeupofbendingfailuremodeandshearingfailuremodeinthispat：leLAndthefa

9、ilureprobabilityofthecolumnduetoshearingdestroypriortobendingdestroyie，socalledstrongshearweakbendingisanalyzedFartheranalysisisappliedtosensitivityofdesignreliabilityforstrongshearingandweakbendingcolumntandomvariancesB

10、asedonsectionreliabilityanalysisofRCmembers，amethodforcomputingreliabilityofRCframessystemshasbeendevelopedwithfullconsiderationofthestructuralplasticityrotationperformanceofplastichingesandcorrelationbetweenfailuresecti