浅论基于数字图像技术岩体隧道开挖三维模型数值实现与分析

《浅论基于数字图像技术岩体隧道开挖三维模型数值实现与分析》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、AThesisinGeotechnicalEngineeringRockTunnelExcavationThree．．DimensionalModelNumericalImplementationandAnalysisBasedonDigitalPhotographyTechnologyByWangYangSupervisor：AssociateProfessorWangShuhongNortheasternUniversityJune2010东北大学硕士学位论文AbsIxactRockTunnelExcavationThree-Di

2、mensionalModelNumericalImplementationAndAnalysisBasedOnDigitalPhotographyTechnologyAbstractFortheslopeandundergroundexcavationengineering，asthenaturerockwascutbyaseriesoffaults，beddingsurface，compressedzoneandjointfissure，thenformacomplexdiscontinuousmediumregion．Onceth

3、eblockoftunnelisinstability,theunstablerockwillslipalongthestructurefaceortheslipplanethatformedbytherockbridgeandjointplane．Especiallythestructuralplane，itsstrengthparameterisdirectlyrelatedtothestabilityofundergroundengineeringandthedrivingforcescalculation，andevendir

4、ectlyaffectthesupporttreatment，SOitplayamostbasicroleatengineeringprogress，engineeringsafetyandengineeringcost．Therefore，inthestabilityanalysisofunderground，it"sveryimportanttoidentifythegeologicalconditionsandgeologicalcharacteristicsofgeotechnicalengineering．Ifwecould

5、accuratelygetthestructurechangesinthefrontworkingface，wecouldarrangethedrivingprogressintimeandreasonable，revisetheconstructionplan，arrangeprotectivemeasuresandavoidtheoccurrenceofmanydangerous．Thetraditionalmeasuringmethodisusedthemeasuringtapeandcompasstogettheinforma

6、tionofstructureplanebycontact．Thismethodisinefficient，laborious，time—consuming，difficulttomeettherequirementsforrapidconstruction．Someofstopeandtunnelroofcannotfullycontacted，measurementdataalwaysrestrictedbyengineering．Inthispaper,baseonthestatusofrocktunnelstabilityan

7、alysis，usingthemoderndigitalphotographyprocessingtechnologyand3dimagereconstructiontomakeanalysis，basedonthefieldgeologicaldataandimageinformationcollection，buildthethree．dimensionalimagingofthetunnelface，makethediscreteelementmethodstabilityanalysisatdisturbedareasofth

8、etmmelexcavation．Themainresearchcontentareasfollows：Thearticleanalyzesindetailisthat：Firstly,usingdigitalphoto