緩傾斜中厚礦體機械化上向水平分層充填采礦法關鍵技術(shù)研究.pdf

1、中南大學碩士學位論文緩傾斜中厚礦體機械化上向水平分層充填采礦法關鍵技術(shù)研究姓名：田明華申請學位級別：碩士專業(yè)：采礦工程指導教師：張欽禮20091101中南人學碩七論文ABSTRACTABSTRACTItISwell。knownthatslightlyinclineddepositwithmediumthicknessisdifficultlyextractedKeypointsrelatedtocutandfillmethodforth

2、iskindofdepositinXinqiaoMiningCo，Ltd(XMC)，Tongling，Anhuiprovince，China，werestudiedindetailinthispaperusingcomprehensiveresearchingmeanssuchasfieldinvestigationandtest，thereoritcalanalysis，schemedesignandnumericalsimulati

3、onThemaincontentsandconclusionsaresummarizedasfollows：Firstlyeconomicalandsafesizeandminingsequenceofstopesweresuggestedbynumericalsimulation，usingfiniteelementsoftwareANSYSIndetail，roomsandpillarsshouldbearrangedalterna

4、tivelywithrespectivewidthof14mand10m，andmiddlestopeshouldbeextractedpriortotwosidestopesSecondlypreparation，cutandextractionworksrelatedtomechanizedcutandfillmininginXMCweredesignedThirdlyblastparameterrangesweregivenbyb

5、lastcratertestandpracticalblastingexperimentinstope，andthenfinaloptimtlmblastparameters，rowspaceandrolespacebeing11mand13mrespectivelyweredeterminedbyBPneuralnetanalysisFourthlyinfluencingfactorsonefficiencyofscraperandd

6、rilljumbowereclarified，improvementmeasureswereproposed，andoptimumumatchesofthesetracklessminingequipmentsweregiven，basedonfiledsurveyoftheirworkingparametersFinallyfieldexperimentindicatedthatadvancedtechnologydevelopedi

7、nthispaperwasreliableandhadgreatdirecteconomicbenifitResearchingresultscannotonlysolvekeytechanicalproblemsfacedtoXMC，butalsomakeacontributiontotechanicaladvancemeneofmechanizedcutandfillminingKeywords：slightlyinclinedde