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Table of Content
03 April 2020, Volume 35 Issue 4
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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.
StudyonReasonableMalpositionDistanceofCombinedMininginClosedistanceCoalSeamsinShizhuangCoalMine
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(averageoffset72m)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,thesampesofgermaniumbearingcoalsinBaoshanminingareaofYunnanprovinceweretested,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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AimingatthetechnicalproblemssuchashighdilutionandhighlosscausedbytriangularminingingentlyinclinedopenpitmineofHongmeiIronMine,theminingtechnologyofgentlyinclinedslicingisputforward.Theinclinationanddipangleofslicingareconsistentwiththeinclinationanddipangleoforebody,theopentrenchisexcavatedalongthestrikeanddipoforebody,andtheminingispromotedsimultaneouslyalongthestrikeanddipoforebody.Gentlyinclinedslicingminingtechnologyavoidsaseriesofminingproblemscausedbytrianglebeltinbenchminingface,whichisbeneficialtoreducemininglossanddilutionrate.Theaveragelossrateanddilutionratedecreasedby28% and41% 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,thesubdamofthetailingsdepothadtobestrengthenedby“highpressurespinsprayingpiles+retailingwall+steelpipepiles+gravelsoil”.Afterthreeyears’stockpiling,thetailingsdepothasthefinalcapacityinsecurity.
SlopeStabilityAnalysisof25Milliont/aOpenpitMiningProjectinJinningPhosphateMine
WANGTianlong
2019, 35(4): 42. doi:
doi:10.3969/j.issn.1009-0479.2019.04.008
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TheminingdepthofJinningopenpitphosphatemineisdeepeningdaybyday.Thestabilityoftheupperslopeofthestopeisdirectlyrelatedtothenormaloperationofthemine,whichalsoaffectstherationalityofitsdeepextensionminingdesign.Itiscriticallyimportanttoevaluatethestabilityoftherockyslope.LimitequilibriummethodGeoslopewasusedtosimulatethestabilityofthestopeslopeaccordingtotheengineeringgeologicalconditions.Theslopesafetyfactorsarecalculatedundernaturalcondition,earthquakeconditionandrainfallconditionrespectively.Theresultsshowthatthestopeslopeisstablewithsomesecurityreserve,andslopestabilityachievesthesafetygradeandmeetsrequirementsofcodesconcernedinallworkingconditions,whichillustratesthatthedesignofstopeslopeisfeasibleandrationaltocertaindegree.Atthesametime,therelevantmeasuresareputforwardtoimprovethestabilityofslopeandaddressthedeformationmonitoringofslope.
AnalysisofTestingAirquantityDistributionoftheDipofWorkingFaceandCharacteristicsofAirLeakage
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.Thepressureandenergydistributionandairvolumevariationintheinclineddirectionoftheworkingfaceweremeasuredandanalyzedbymeansofthecombinationofunitmethodandtracergas.Bydataanalysis,thelawofpressuredifferenceandairleakageintheworkingfacewasmastered,andthelocationandabsoluteairleakageingoafweredefined.Itcanprovidetechnicalsupportandguaranteefortheventilationmanagementinworkingfaceandpreventionandcontrolofspontaneouscombustioningoaf.
MultiscaleDynamicSimulationofLandUseSpaceinYunnanCentralUrbanAgglomerationArea
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,mostofthelandusedynamicsimulationsarebasedonsinglescalemathematicalmodels,withoutconsideringthelocalcharacteristicsandnonstationarycharacteristicsoflanduseanddrivingfactors.TakingtheYunnancentralurbanagglomerationareaasanexample,thispapercomprehensivelydeterminesfromthetwoaspectsoflandusestructurefractaldimensioneffectandROCvalue.Logisticregressionanalysiswasusedtodeterminethedrivingfactorsandconstructamultiscenariodynamicsimulationmodel.ExperimentsshowthatthelandusepatternsimulationmodelbasedonGWRLogisticandCLUEScansignificantlyimprovethescaleapplicabilityofthemodelandtheaccuracyoflandspacelayoutsimulation.
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,vegetationandnonvegetationpixelclassificationthresholdsareobtainedaccordingtohistogram bimodalmethodoriterativethresholdmethod, andtheoptimalthresholdisusedtoextractvegetationinformationfrom thegrayscaleimagesofvegetationindex.Finally,theprecisionofvegetationinformationextractionindexesarecompared.ItshowsthattheaccuracyofEXGandVDVIishigherthanothervegetationindexes.InordertoverifytheaccuracyofEXGandVDVI,anotherorthophotoimageisselectedfromthesameperiodimagesandextractedvegetationinformationwiththesamemethod.TheresultshowsthatEXGandVDVIbasedonUAVimagescanaccuratelyextractvegetationinformationwithanextractionaccuracyofmorethan90%,whichbecomeanimportanttechnicalmeanstoextractgreenvegetationcoveragebyusingUAVimages.
QualityCheckingandVisualizationAnalysisofMultiGNSSDataBaseonAnubis
WANGLidang1,XIONGDengliang1,LIYing2,LONGShihai3
2019, 35(4): 66. doi:
doi:10.3969/j.issn.1009-0479.2019.04.012
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AsoftwarenamedAnubis,whichcananalyzethequalityofmultiGNSSdata,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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TheevolutionofhabitatqualityinlinewiththelandusechangeinKunmingXishanscenicareafrom2006to2016withInVESTsHabitatQualityanalysismodulewasanalyzed.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,thispaperstudiesandanalysestheanticollisionstrategyandthecontrolofeffectiverecognitionrange.Ontheonehand,theperformanceofpureALOHAalgorithmappliedtoathletes’dynamicinformationcapturesystemisanalyzed.Ontheotherhand,themostsuitableantennacoverageisdeterminedbymodelingandsimulation,soastoreducetheprobabilityofmisidentificationandmissedidentification.
BriefAnalysisoftheDevelopmentfor5thGenerationTechnologyandIntelligentandConnectedVehicles
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’slargescaleandcustomizedtechnicalframework,andcanrealizetherealtimeinformationexchange,loaddistributionandinformationantiinterferenceandsecuritybetweenICVvehicles.ThedevelopmentofICVisprospected.
IntelligentHighwayAntiTrafficCongestionModelandAlgorithm BasedonLBSandRealtimeSC
WANGNingbang,XUBo
2019, 35(4): 95. doi:
doi:10.3969/j.issn.1009-0479.2019.04.017
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BasedonLBS,Nginxandrealtimescientificcalculation,thepaperproposedtheresourcemodelofcomputerlikesystemandCPUlikeschedulingalgorithmfortrafficcongestionpreventionofintelligentexpressway.TheAntitrafficCongestionControlSystemofIntelligentExpresswayadoptstheBaiduTracetechnologybasedonLBSandLoadBalancingtechnologybasedonNginx.ThekeypartofAntitrafficCongestionControlPrototypeSystem ofIntelligentExpresswayisrealizedbyAndroidclient,system background,realtimescientificcalculationofBaiduTracetechnologybasedonLBSandthealgorithmoflineshopdistance.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.
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