城市淺埋雙連拱雙層隧道施工技術(shù)及力學(xué)行為研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文城市淺埋雙連拱雙層隧道施工技術(shù)及力學(xué)行為研究姓名：崔光耀申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：橋梁與隧道工程指導(dǎo)教師：王志杰20080401西南交通大學(xué)碩士研究生學(xué)位論文第|I頁(yè)ABSTI認(rèn)CTInChina’Shighwayconstruction，theoptionofdoublearchedtunnelhasincreasinglybeenusedinspecialgeologicalterrainareaandbrin

2、gsgoodeconomicreturnsforUSTwinarchanddoubledecktunneliSanewformoflargespantunnelwithChina。Srapidhighwayconstruction，andtheimportanceisbecomingincreasinglyinurbantransportdevelopmentofthecityPapersisZigongCityLonghuiRoadt

3、unnelprojectasthebackgroundPapersdiscusstherockstressfield，therockdisplacementfieldandthesupportingstructurestressfieldintheconstructionprocessoftwin—archanddouble—deckcitytunneloflowburying，anddiscusstheimpactoftheexist

4、enceofsidewalksboardforthetunnelstructureFromthePaperIIIclasssurroudingrock，takingintoaccounttheconstructionoftechnicaldifficultytheconstructionperiod，theprojectcost，andotherrelevantfactorsthemiddleholeofthefullfaceconst

5、ructionmethodiSbetterthanthemiddleholeofstepmethod，themiddleholeoftheSt印constructionmethodiSbetterthanthethreeheadingconstructionmethodAndthereareafewimpactoftheexistenceofthesidewalkboardforthetunnelstructureAtthesameti

6、mepapersstudytheimpactoftheexistenceofpilefoundationinthevicinityoftwin—archanddouble—decktunnelinexistencebyFLACⅢthreedimensionalnumericalsimulationFromthepaperafterimposingthepilefoundation，alotofadversechangesofthestr

7、essstateofthesupportingstructurehavetakenplaceandthesafetyfactorofthesupportingstructurehasbeensomedeclineHowever，thesupportingstructureofthetunnelcanstillmeettherequirementsofthetunnelstructureAndthetunnelstructureiSsaf

8、eThisstudyofthepaperprovidescertaininformationtoafewsimilardesignandconstructioninthefutureAndIhopethatthepapercanplayaroleinpromotingoftwinarchanddoubledecktunnelsapplicationanddevelopmentKeywords：twin—archanddoubledeck