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1、西南交通大學碩士學位論文大相嶺隧道超前地質預報研究姓名：白雪飛申請學位級別：碩士專業(yè)：地質工程指導教師：白志勇20090301西南交通大學碩士研究生學位論文第1I頁AbstractCombiningtheapplicationofPredictiveMethodsandForecastofGeologyinDaxianglingtunneloftheYaan—Luguhighway,thisthesisdevelopssomegeologicaldisasterpredictionresearchesinclud
2、ingsurroundingrockclassification,collapse，rockburst,largedeformation,waterinrushandburstmud．TheDaXianglingtunnellocatedintheacrossmountainsectionbelongtotheYaluhighway,whichisaexceedlongtunnel．Therearehightopographicdifferenceandhi曲crustalstressinthetunnel．Th
3、egeologicalconditionsofthetunneliscomplicated，SOit’Sverydifficulttomakesurethatthetunnel’Sgeologicalcircumstanceandthecharacters，scopeandspaceofthebadgeologicalconditionsatthestageofinvestigationanddesign，whichbringcertainofdangerousanddifficultforthetunnelco
4、nstruction．Onthebasisofreferencingtheexperiencesofpredecessorsandtheanalysisofdomesticandinternationaltechnologicalmethods，someofgeologicalconditionsfacedintheconstructionprocessofhighwaytunnelandtheapplicationofpredictivemethodsandforecastofgeologicalintunne
5、lhavebeenstudieddetailedlyinthethesis．Finally,amethodofadvancedforecastofgeology,inwhichthegeologicalanalysismethodsWastakenasthecorecombiningwithgeophysicalprospecting,hasbeendefined．Thissystemevaluatetheweightofaffectingfactoraccordingtothemethodoftheinform
6、ationentropy，andcombiningwithaforecastsystemassociatethesupportvectormachine(SVM)identificationmodelwithdynamicrecursiveneuralnetworkCalculatedmodel，andthenformingaintelligencetechnologytosomeextent．Atthelast,thesystemwillbeusedinonetunnelconstructionprocessu
7、ndercomplicatedgeologicalconditionstoverifythesystem’Sreliabilityandpracticality．Resultsshowthatthepredictionaccuracyishigher,thesystemCansatisfythepracticalengineeringrequirements．Inthenextfuturework,theresultsofthestudywilldirectlyappliedintheconstructionpr
8、ocessofDaXianglingtunnel，andprovideexperiencetoanytunnelhavethesimilarengineeringgeologicalconditions．Theresearchresultsenrichthetunnelgeologicalpredictionofthecontent,enhanceaccuracyandr
