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1、武汉工程大学硕士学位论文II万方数据AbstractAbstractOninspectionofXinjiangChagangnuoerIronmillecoverrockisthick,whenusingwithoutfloorpillarcavingmethodaboptscaving,cavingstoperoofoftheresultisbad,willcausethedestructionofroadwaydeformationandsurfacesubsidenceafterorcollapseddoesnotreachthedesi
2、gnatedposition,willleadtogeologicaldisasterssuchaslandslide,landslide.Combiningwiththefieldgeologyinvestigationandrockmechanicstestinthelaboratory，theFiniteelementanalysisANSYSwasappliedtoestablishandsimulatesimplifiedmodel.Thecavingsequenceofthestopewasanalyzedbydifferentexc
3、avationanglesthroughtheexcavationroadwaystressdeformationandsurfacesubsidenceresearchsituation,analysisofdisplacement,stressandotherparameters.Themainconclusionsareasfollows:(1)Intheminingarea3185mleveldetailedengineeringgeologicalsurvey,basedonthedistributionoforetogetthefau
4、lt,theadvantagesofjointsurfacesanddensity.(2)Chagangnuoerironorerockandtensilespecimens,uniaxialcompressionandshearmechanicaltest,themeasuredrockstretching,compression,shearstrengthandelasticmodulus,Poisson'sratioothermechanicalperformanceparameters.Obtainedusingthestrengthre
5、ductionofrockmechanicsparameters.(3)3185mlevelcavingprojectsetupthreekindsofworkingconditionofcavingsequence,throughthemodelsimulation,comprehensiveanalysisofthreekindsofcavingroadwaystabilityandsurfacesubsidenceamplitudeundertheorder,theoptimumcavingsequence.Simulationresult
6、sshowthatthecavinglineAngle45°withthestrikeoftheorebodyofqualifyingforthebest.Keywords:ANSYS；Groundcollapse；Roadwaydeformation；Numericalsimulation；ThesequenceofcovercavingIII万方数据武汉工程大学硕士学位论文IV万方数据目录目录摘要..........................................................................
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