盾構(gòu)隧道襯砌結(jié)構(gòu)可靠度研究.pdf

1、同濟(jì)大學(xué)土木工程學(xué)院博士學(xué)位論文盾構(gòu)隧道襯砌結(jié)構(gòu)可靠度研究姓名：趙慶麗申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：袁勇20091001ABSTRACTAbstractDuetotheuncertaintiesintheprocessofdesign，constructionandservice，thesafetyandreliabilityofstructurescallonlybeameaningofstatisticsandproba

2、bilityratherthanacertainindex，whichshouldbeevaluatedbasedonthetheoryofreliabilityTheresearchofthisthesismainlyincludesthereliabilityanalysisoftheshieldtunnelswithandwithouttakingtimevaryingresistanceintoaccount，andthemai

3、ncontentscovered：lTakingcorrelativity—indexsensitivityoffailuremodeintoaccount，thethesismodifiedtheexpressionconcerningsensitivityofstructurereliabilitypresentedanormtoidentifyifavariableCanbetakenasaconstant，andestablis

4、hedaapproximatecalculationmethodofreliabilityandamodifyingmethodforstructureparametersbasedonreliability2Establishtheperformancefunctionsofthebearingcapacityforthenormalsectionoflining，andcalculatethesectionreliabilityby

5、theseriessystemwhichconcludesthefailureofnormalsectionsubjectedtotheeccentriccompressionandinclinedsectionsubjectedtoshearforceStudieshavealsobeenmadeonthefailuremodelofsinglehinge，andthefailuremodelsofmultiplehingesProp

6、osedananalysismethodonthereliabilityofliningviatheseriessystemmode3Theexpressionscomputingthestretchvalueofthelongitudinaljoint，thevariationoftheverticaldiameteroftheliningrings，andtherelationshipbetweenthemhavebeenderiv

7、edThecalculationmethodaboutthereliabilityoftunnelliningservicepropertysystemhasbeenanalyzed4Basedonthedurabilityofmaterialspaperpresentedamodifyingmethodforandloadingpropertyofshieldtunnels，thisthetime—varyingmodelofther

8、esistanceparametersofservingtunnels，andestablishedafunctionoftime—varyingresistanceandafunctionformulaofbearingcapacityandatlastpresentedareliabilityanalyzemethodfortime—varyingbearingcapacityoftheplanningandservingtunne