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ID:36423458
大小:7.13 MB
页数:104页
时间:2019-05-10
《大相岭隧道超前地质预报研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、西南交通大学硕士学位论文大相岭隧道超前地质预报研究姓名:白雪飞申请学位级别:硕士专业:地质工程指导教师:白志勇20090301西南交通大学硕士研究生学位论文第1I页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
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