連拱隧道復合襯砌承載能力分析及優(yōu)化設計.pdf

1、廣東工業(yè)大學碩士學位論文連拱隧道復合襯砌承載能力分析及優(yōu)化設計姓名：寧培淋申請學位級別：碩士專業(yè)：巖土工程指導教師：史宏彥20080501廣東工業(yè)大學工學碩士學位論文AbstractFordifferentsurroundingrock，differentdepthsanddifferentspan，differentconstructionmethods，differenttypesofdouble—archtunnelliningp

2、arametersoftheselecteddifferences，thepaperliningofthetunnelinthedomesticandforeignresearchmethodsandresearchresultsonthebasisofthearchtunnelConstructionofkeytechnologiesforthebackground，andtoaddressthearchtunnelconstruct

3、ionprocessofliningparameteroptimizationasthestartingpointThroughthedeepandshallowarchtunnelbothcases，III，1V，Vrockcategorythreestatus，recordedatotalofsixkindsofconditionsforcarryingcapacityanalysisandnumericalsimulationAp

4、plicationofbearingcapacityofstructureandANSYSfiniteelementmethodtostudyavarietyoftypicaldouble—archtunnelmodel，thearchtunnelprimarysupportandsecondaryliningcarryingcapacitycalculationandanalysis，aswellaschangesinthelinin

5、gofthecomponentparametersUnderthearchtunneleffectFirst，APrimaryStudyonthearchoftheliningofthetunnelstructureofthevariousfactorsandestablishmentofsixkindsoftypicaldouble—archtunnelmodelBasedontheactualarchtunnelforceinthe

6、establishmentofdeepandshallowarchtunnelloadingmodelAndthenbythebearingcapacityoflawcanbedrawnvariousdepths，underdifferentrockboltsystem，sprayedconcrete，steelandsecondaryliningbearingcapacityofthestructure，furtheranalysis

7、ofthevariousComponentsoftheliningofthestateandChangesinlawsandspecifictermstosixkindsoftypicalmodelofthetunnelliningcarryingcapacitytheparametersrecommendedfornormshavebeenadjustedFollowedbyANSYSsimulationsoftwaresupport

8、ingdifferentparametersundertheconditionsofrockandsupportingstructureofthestress，displacement，quantitativeanalysisofachangeintherespectiveparametersforapossiblenatureofthenormsontherecommendationoftheliningofsupportparame