滑坡段隧道加固新型結(jié)構(gòu)研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文滑坡段隧道加固新型結(jié)構(gòu)研究姓名：顏洪剛申請學(xué)位級別：碩士專業(yè)：巖土工程指導(dǎo)教師：鄧榮貴20100401西南交通大學(xué)碩士研究生學(xué)位論文第1I頁ABSTRACTWiththeadvanceofChineseeconomicconstructiontransportrequirementofthecentralandwesternregionsdramaticincrease，leadingtotheemergence

2、ofavarietyoflli曲一graderoadandrailBecauseofthecentralandwestemregionsofcomplexterrainandgeologicalconditions，roadorrailroutesoftenpassthroughpoorgeologicalsections，SoutesinevitablyareaffectedbysuchgeologicaldisastersTunne

3、linlandslide(tunnelwasbuiltinthelandslide)hasdifferentdegreesofdiseasewhichseriouslyaffectthenormaloperationofroutesInthethesis，amethodofpartialreinforcementisproposedwhenthedirectionoflandslideandtunnelaxishasabiganglea

4、ndtunnelislocatedneartheslidingsurface，whichmakesthecostoftreatmentgreatlyreduced，thenewreinforcementstructureissystematicallystudied，themaincontentsandresultsareasfollows：(1)Tunnelinlandslidehasbeenclassifiedaccordingto

5、thespatialrelationshipbetweenlandslideandtunnel，tu／meldeformationcharacteristics，landslidetunnelandlandslideinteractioncharacteristics，andthedeformationcharacteristicsofeachtypehavequalitativeanalysis，thegeo—mechanicalmo

6、delsaresummaried；onthisbasis，anewreinforcementideasandnewrepresentativereinforcestructurewhichisanchorageanddragsolidstructureisproposedThereinforcementprincipleofnewstructureisfullyusetunnellining，whichisnotonlyastransp

7、ortfacilities，butalsoasapartofslidingstructure，thisreinforcementmeansuseanchorsthroughslidingsurfacetolettunnelfixinstablebedrockliningisusedasanchoranti—forcedevice，thelocationofslipsurfaceischanged(2)Twotypeoflandslide

8、tunnelwhichaletunnelthroughlandslideandtunnelinlandslidearediscussed，thenthestrutureofthenewreinforcementstrutureisanalysised，internalforceandthetheoreticalformulaofdeformationareobtained，theinfluenceofthenewreinforcemen

9、tstructureintemalforceshasacorrelationanalysisbythechangeofthemainparameters，resultsshowthat：thedisplacementandinternalforceofthetunnelstructureincreaseslinearlywiththelandslideforcechange；thedisplacementandinternalforce

10、ofthettmnelstructureincreasescurvedshape、Ⅳiththethicknessandtheanchorstiffnesschange；thelandslidestabilitycoefficientnotablityincreasebyusingthenewstructureteinforcetheturmel(3)Theproposednewstructureandmethodofreinforce

11、mentisusedinhi曲BeachstationlandslideofthesecondlineXiangfanChongqing，theformationmechanismoflandslideandlandslidefeatures，thelandslidestabilityofbeforereinforcementandaRerreinforcementisanalysised，theresultsshowthatthest