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Table of Content

    03 April 2020, Volume 35 Issue 4
    InfluenceAnalysisofUndergroundMiningontheStabilityofMainandAuxiliaryMineshaftinDashuigouSectionofYinminCopperMine
    FEIZhiwen,WUDong,YANGZe,TONGZhipeng
    2019, 35(4):  1.  doi:doi:10.3969/j.issn.1009-0479.2019.04.001
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    Toensurethesafetyofthemainandauxiliarymineshafts,thepaperanalyzedtheinfluenceofundergroundminingonthemainandauxiliarymineshaftthroughFLAC3Dsimulation.Subsidencedeformationofsurfaceandmineshaftinprocessofdepositbodyexploitationwerecalculated,andjudgementweremadeaccordingtothegradeevaluationcriteriaforstabilityofgoafsiteinChina.Simulationresultsshowthatstratamovementisadynamicprocessoftransferfrombottomtotop,andsubsidencedeformationofmainandauxiliarymineshaftisverysmall,andthecontrolstandardofsurfacesubsidenceislessthan10cm.Atthesametimethesurfaceandmineshaftdonotproducetheplasticdistrbedzone,whichillustratesthemineshaftisinastablestate.Theresearchresultsprovidetheguidingbasisforstopedesignandsafeoperationofmainandauxiliarymineshaft.
    StudyonReasonableMalpositionDistanceofCombinedMininginClosedistanceCoalSeamsinShizhuangCoalMine
    LIUCong,NIEQi,CHENGYong,WANGFei,SHENYua
    2019, 35(4):  6.  doi:doi:10.3969/j.issn.1009-0479.2019.04.002
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    ThispapertakesShizhuangCoalMineofZhenxiongShizhuangCoalIndustryCo.,Ltd.astheresearchtarget,usingtheoreticalanalysisandnumericalsimulationtodemonstratethefeasibilityofthecombinedminingplan.Studywastakenonthesafemalpositiondistanceofcombinedandintegratedmininginthetwocoalseams(averageoffset72m)ofCba
    ndCa6.Itaimstoguaranteethesafetyandefficiencyofmining,andprovidereferenceforminingofsimilarconditions.
    InfluenceofTectonicsandPalaeogeographyofBaoshanMiningAreainYunnanProvinceontheDistributionofGermanium inCoal
    LIUWei,FANGNa,YINQiong,LIWanhong,LINYo
    2019, 35(4):  11.  doi:doi:10.3969/j.issn.1009-0479.2019.04.003
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    Theenrichmentdistributionofgermaniumincoalseamarenotuniformintimeandspace.Inordertofurtherstudyitsintrinsicregularityandinfluencingfactors,thesampesofgermaniumbearingcoalsinBaoshanminingareaofYunnanprovinceweretested,andthedistributionofgermaniuminthecoalinplaneandverticaldirectioniscomprehensivelyanalyzedincombinationwithitstectonicbackgroundandpalaeogeographicenvironment.Theenrichmentshowsobviousperiodicityandrelativestabilityoftheenrichmentarea,whichindicatesthattheenrichmentofgermaniumelementinthisareaisdirectlyrelatedtotectonicactivity.Thecarrierofgermaniummigrationistectonichydrothermalandwaterbody.Thespecificenrichmentareaisrestrictedbythedistributionoftectonicarea,thestrengthoftectonicactivityandthepalaeogeographicenvironment.
    PracticeofGentlyInclinedSlicingMininginHongmeiOpenPitIronMine
    XIAJianbo,LINYou,CHENGYong
    2019, 35(4):  20.  doi:doi:10.3969/j.issn.1009-0479.2019.04.004
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    AimingatthetechnicalproblemssuchashighdilutionandhighlosscausedbytriangularminingingentlyinclinedopenpitmineofHongmeiIronMine,theminingtechnologyofgentlyinclinedslicingisputforward.Theinclinationanddipangleofslicingareconsistentwiththeinclinationanddipangleoforebody,theopentrenchisexcavatedalongthestrikeanddipoforebody,andtheminingispromotedsimultaneouslyalongthestrikeanddipoforebody.Gentlyinclinedslicingminingtechnologyavoidsaseriesofminingproblemscausedbytrianglebeltinbenchminingface,whichisbeneficialtoreducemininglossanddilutionrate.Theaveragelossrateanddilutionratedecreasedby28% and41% respectively.
    AnalysisontheStabilityofHillsideWasteRockDumpSlopeinaMine
    PENGGuocheng,LIHao,YANGZe,ZHUTao
    2019, 35(4):  24.  doi:doi:10.3969/j.issn.1009-0479.2019.04.005
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    Dumpistheshelterofopenpitwasterock.Itisvitaltodesignslopeofadumpandanalyzeitsstability,whichdirectlyaffectsthenormaloperationoftheopenpit.Inordertoensurethesafeuseofthewasterocksiteanditsslopestability,thefinitedifferenceprogramFLAC2D andlimitequilibriummethodwereusedtocalculatethestabilityofthecurrentslopeofthewasterocksiteundernatural,seismicanrainfallconditionsinlinewiththeengineeringgeologicalconditions.Thesimulationresultsshowthatunderthreedifferentworkingconditions,theslopestabilityofthewasterockyardmeetstherequirementsofthestandardsafetygrade,andtheslopeisstableandhasacertainsafetyreserve.Itshowsthatthedesignschemeoftheoriginalwasterockyardstackingisreasonable,andcanprovideareliable.
    SiltyInterlayer/LaminaeCharacteristicofQiongzhusiFormationShaleinKunmingArea
    CHENGYong1,2,NIEQi1,LIUCong1,WENYiming1,LINJifei1,XIAJianbo1
    2019, 35(4):  29.  doi:doi:10.3969/j.issn.1009-0479.2019.04.006
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    Thesiltyinterlayer/laminaeinshalehasimportantsignificanceforreservoirproperty,gasbearingproperties,gasmigrationandfracturingdevelopmentofshalegas.Thesiltyinterlayer/laminaedevelopedinQiongzhusiFormationoutcropsectioninKunmingwerestudied.Theresultsshowthat:1)thesiltyinterlayer/laminaeandpureblackshalelayerhaveobviousdifferencesincolor,structure,morphology,grainsizeandmineralcomposition;2)Inthelongitudinaldirection,thedistributionandsinglelayerthicknessofsiltyinterlayer/laminaearerelativelyheterogeneous;3)Thefractaldimensionis0.702,whichissmallandmayindicatethebigdifferencebetweenthesinglelayerthicknessofthesiltyinterlayer/laminarintheshale.TheresultscanbeusedtoestimatetherelevantprametersofQiongzhusiFormationshaleinadjacentareasorthesamesedimentaryenvironment.
    AnIntegratedMethodtoStrengthentheTailingsDam
    YANGShangli
    2019, 35(4):  36.  doi:doi:10.3969/j.issn.1009-0479.2019.04.007
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    Thesafetyoftailingsdepotistheessentialbasicsofminingenterprises.Thedamageoftailingsdamisthethirdimportantcauseofthefivestylesofbreakingmodeoftailingsdepot.Whentheexpansionoftailingsdepotarenotinsafeconditionandthereisnosufficientsimpleconstructionconditions,comprehensiveapproachcanbeadoptedtostrengthenthedam.Becauseofthedifficultiesinlandacquisitionandsiteconditions,thesubdamofthetailingsdepothadtobestrengthenedby“highpressurespinsprayingpiles+retailingwall+steelpipepiles+gravelsoil”.Afterthreeyears’stockpiling,thetailingsdepothasthefinalcapacityinsecurity.
    SlopeStabilityAnalysisof25Milliont/aOpenpitMiningProjectinJinningPhosphateMine
    WANGTianlong
    2019, 35(4):  42.  doi:doi:10.3969/j.issn.1009-0479.2019.04.008
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    TheminingdepthofJinningopenpitphosphatemineisdeepeningdaybyday.Thestabilityoftheupperslopeofthestopeisdirectlyrelatedtothenormaloperationofthemine,whichalsoaffectstherationalityofitsdeepextensionminingdesign.Itiscriticallyimportanttoevaluatethestabilityoftherockyslope.LimitequilibriummethodGeoslopewasusedtosimulatethestabilityofthestopeslopeaccordingtotheengineeringgeologicalconditions.Theslopesafetyfactorsarecalculatedundernaturalcondition,earthquakeconditionandrainfallconditionrespectively.Theresultsshowthatthestopeslopeisstablewithsomesecurityreserve,andslopestabilityachievesthesafetygradeandmeetsrequirementsofcodesconcernedinallworkingconditions,whichillustratesthatthedesignofstopeslopeisfeasibleandrationaltocertaindegree.Atthesametime,therelevantmeasuresareputforwardtoimprovethestabilityofslopeandaddressthedeformationmonitoringofslope.
    AnalysisofTestingAirquantityDistributionoftheDipofWorkingFaceandCharacteristicsofAirLeakage
    LIWanhong1,ZHUKai2,LIUWei1,LIUCong1
    2019, 35(4):  47.  doi:doi:10.3969/j.issn.1009-0479.2019.04.009
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    Inordertograspthecharacteristicsofairleakageingoafandtoformulatethemeasuresofleakingstoppage,athoroughtestingschemehasbeenformulatedinthispaper.Thepressureandenergydistributionandairvolumevariationintheinclineddirectionoftheworkingfaceweremeasuredandanalyzedbymeansofthecombinationofunitmethodandtracergas.Bydataanalysis,thelawofpressuredifferenceandairleakageintheworkingfacewasmastered,andthelocationandabsoluteairleakageingoafweredefined.Itcanprovidetechnicalsupportandguaranteefortheventilationmanagementinworkingfaceandpreventionandcontrolofspontaneouscombustioningoaf.
    MultiscaleDynamicSimulationofLandUseSpaceinYunnanCentralUrbanAgglomerationArea
    CHENGuoping1,YUANLei2,WUXiaowei3,ZHAOKe4,GUMiao4
    2019, 35(4):  52.  doi:doi:10.3969/j.issn.1009-0479.2019.04.010
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    Atpresent,mostofthelandusedynamicsimulationsarebasedonsinglescalemathematicalmodels,withoutconsideringthelocalcharacteristicsandnonstationarycharacteristicsoflanduseanddrivingfactors.TakingtheYunnancentralurbanagglomerationareaasanexample,thispapercomprehensivelydeterminesfromthetwoaspectsoflandusestructurefractaldimensioneffectandROCvalue.Logisticregressionanalysiswasusedtodeterminethedrivingfactorsandconstructamultiscenariodynamicsimulationmodel.ExperimentsshowthatthelandusepatternsimulationmodelbasedonGWRLogisticandCLUEScansignificantlyimprovethescaleapplicabilityofthemodelandtheaccuracyoflandspacelayoutsimulation.
    ApplicationResearchofGreenVegetationExtractionMethodBasedonUAVImage
    LIDongsheng1,2,LIUHaihong3,ZHANGBingliang4,WANBaofeng2
    2019, 35(4):  58.  doi:doi:10.3969/j.issn.1009-0479.2019.04.011
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    Inthispaper,thevegetationindexsuitableforUAVimageextractionisobtainedthroughtheanalysisandcomparisonofvariousvegetationindexesthroughdatastatistics.Firstly,grayimagesweregeneratedforeachvisiblevegetationindexbyUAVimages.Then,vegetationandnonvegetationpixelclassificationthresholdsareobtainedaccordingtohistogram bimodalmethodoriterativethresholdmethod, andtheoptimalthresholdisusedtoextractvegetationinformationfrom thegrayscaleimagesofvegetationindex.Finally,theprecisionofvegetationinformationextractionindexesarecompared.ItshowsthattheaccuracyofEXGandVDVIishigherthanothervegetationindexes.InordertoverifytheaccuracyofEXGandVDVI,anotherorthophotoimageisselectedfromthesameperiodimagesandextractedvegetationinformationwiththesamemethod.TheresultshowsthatEXGandVDVIbasedonUAVimagescanaccuratelyextractvegetationinformationwithanextractionaccuracyofmorethan90%,whichbecomeanimportanttechnicalmeanstoextractgreenvegetationcoveragebyusingUAVimages.
    QualityCheckingandVisualizationAnalysisofMultiGNSSDataBaseonAnubis
    WANGLidang1,XIONGDengliang1,LIYing2,LONGShihai3
    2019, 35(4):  66.  doi:doi:10.3969/j.issn.1009-0479.2019.04.012
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    AsoftwarenamedAnubis,whichcananalyzethequalityofmultiGNSSdata,isintroduced.ThefunctionofAnubisisextendedbyshellscriptinLinuxenvironment,andthisscriptcanautomaticallyperformqualityanalysisonlargeamountsofGNSSdataandgeneratevisualviews,thusimprovingtheconvenienceandusabilityofAnubis.
    AccuracyAnalysisofBeidouSatelliteforKMCORSBaselineSolution
    WEIBaofeng1,CHENGuoping2,ZHANGJunhua1,LIXinghua1
    2019, 35(4):  75.  doi:doi:10.3969/j.issn.1009-0479.2019.04.013
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    WiththeapplicationofBDSsatelliteinrecentyears,moreandmoreSamsungcontinuousoperationreferencestationshavebeenbuiltbasedonBDSsatellite.ThispaperanalysesandcalculatesthefeasibilityofKunmingcontinuousoperationreferencestation(KMCORS)throughBDSsatellitetomaintaintheurbancoordinateframeofKunmingandthefeasibilityofthecoordinatedatumtomeettherequirements.Thefinalaccuracyisanalyzedqualitativelyandquantitatively.ItisconcludedthatitisfeasibletouseBDSsatellitetomaintainthereferencestation.
    AnalysisonHabitatQualityEvolutionofKunmingXishanScenicAreaBasedonLandUseChange
    BANYanwamen,HUXiaojie
    2019, 35(4):  80.  doi:doi:10.3969/j.issn.1009-0479.2019.04.014
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    TheevolutionofhabitatqualityinlinewiththelandusechangeinKunmingXishanscenicareafrom2006to2016withInVESTsHabitatQualityanalysismodulewasanalyzed.TheresultsshowedthattheoverallhabitatqualityofKunmingXishanscenicareahasimprovedduring2006and2016.ThehabitatimprovementareasweremainlyconcentratedalongtheGaohaiexpresswayandGaoyaovilllage.However,thehabitatqualityofthetransportationnetworkbetweenthevillagesinthescenicspotandthetouristroutealongthescenicspothasdecreased,andthefallingareahasaband-likedistribution,whichalsomakesthehabitatfragmentationintheregionincrease.Thestudyalsoanalyzedthemainfactorsaffectingthequalityofthehabitat,andprovidedscientificreferencefortheregionaldevelopmentplanningandhabitatprotectionofKunmingXishanscenicarea.
    ResearchonImprovingtheIdentificationRateofAthletes’DynamicInformationCaptureSystem
    YANGQing1,TONGYunfeng1,YANGGuangzhao2
    2019, 35(4):  85.  doi:doi:10.3969/j.issn.1009-0479.2019.04.015
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    InordertoimprovetherecognitionrateoftheelectronictagsinRFIDsystem,thispaperstudiesandanalysestheanticollisionstrategyandthecontrolofeffectiverecognitionrange.Ontheonehand,theperformanceofpureALOHAalgorithmappliedtoathletes’dynamicinformationcapturesystemisanalyzed.Ontheotherhand,themostsuitableantennacoverageisdeterminedbymodelingandsimulation,soastoreducetheprobabilityofmisidentificationandmissedidentification.
    BriefAnalysisoftheDevelopmentfor5thGenerationTechnologyandIntelligentandConnectedVehicles
    ZHOUPeng1,YANGQingrong1,YANGJing1,WUXiangji2
    2019, 35(4):  90.  doi:doi:10.3969/j.issn.1009-0479.2019.04.016
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    Tosolveurbantrafficcongestionandtherelevantproblems,thepaperanalyzedthedevelopmentandstrategictrajectoryfor5GtechnologyandICV,anditalsointroducedtheresearchsignificanceanddevelopmenttrend.Anideawasproposedtointegrate5GwithICVtobringtheircommonadvantagesintofullplay.ThisschemewasconducivetotheimprovementofICV’slargescaleandcustomizedtechnicalframework,andcanrealizetherealtimeinformationexchange,loaddistributionandinformationantiinterferenceandsecuritybetweenICVvehicles.ThedevelopmentofICVisprospected.
    IntelligentHighwayAntiTrafficCongestionModelandAlgorithm BasedonLBSandRealtimeSC
    WANGNingbang,XUBo
    2019, 35(4):  95.  doi:doi:10.3969/j.issn.1009-0479.2019.04.017
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    BasedonLBS,Nginxandrealtimescientificcalculation,thepaperproposedtheresourcemodelofcomputerlikesystemandCPUlikeschedulingalgorithmfortrafficcongestionpreventionofintelligentexpressway.TheAntitrafficCongestionControlSystemofIntelligentExpresswayadoptstheBaiduTracetechnologybasedonLBSandLoadBalancingtechnologybasedonNginx.ThekeypartofAntitrafficCongestionControlPrototypeSystem ofIntelligentExpresswayisrealizedbyAndroidclient,system background,realtimescientificcalculationofBaiduTracetechnologybasedonLBSandthealgorithmoflineshopdistance.Theresearchprovidesareferenceforsolvingtheproblemofexpresswaytrafficcongestionorurbantrafficcongestionandotherrelatedresearches.
    AnalysisonRuralSolidWasteDisposalSystem:aCaseStudyonXiaobaVillage
    LIYana,WUYanshengb,GAOXiongb,YANGYongfengc
    2019, 35(4):  104.  doi:doi:10.3969/j.issn.1009-0479.2019.04.018
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    ThegarbagedisposalinsomeborderruralareasofYunnanProvinceisindisorder,whichseriouslyaffectsthelivingenvironmentandhealthofresidentsandpolluteswaterbodies.Thepaperhasdesignedavillagehouseholdgarbagedisposalsystembasedonsystemengineering.Itfollowstheprinciplesofclassifiedcollection,pointtransferandlocalecologicalincineration,andmakesanintegratedanalysisoffactorssuchasthetargets,projectmanagement,investmentandoperationcost,transportation,etc.Inthisway,householdgarbageisreducedandrecycledlocallytoprotectecologicalenvironment.
    TeachingQualityControlSystem GeoinformationTechnologyofSurveyingandMappingSpecialtyinHigherVocationalCollegesBasedonTQC
    MAJuan,LYUCuihua,GEJunjie,ZHANGWeihong
    2019, 35(4):  109.  doi:doi:10.3969/j.issn.1009-0479.2019.04.019
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    UsingthebasictheoryandmethodofTQCandtakingstudentsasthetargetlikeproducts,thispaperanalyzesthemainfactorsandkeylinksofteachingqualitycontrolofgeoinformationtechnologyofsurveyingandmappingspecialtyinhighervocationalcolleges.Itputsforwardateachingqualitycontrolsystemaimedtocultivatestudents’vocationalability.Thepracticeoftheteachingreformprovesthatthesystemhasachievedthegoalofimprovingteachingqualityandpromotingstudents’employment.