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PracticeofGentlyInclinedSlicingMininginHongmeiOpenPitIronMine

  

  1. (FacultyofMetallurgyandMiningEngineering,KunmingMetallurgyCollege,Kunming650033,China)
  • Online:2020-04-03 Published:2020-04-03

Abstract: AimingatthetechnicalproblemssuchashighdilutionandhighlosscausedbytriangularminingingentlyinclinedopenpitmineofHongmeiIronMine,theminingtechnologyofgentlyinclinedslicingisputforward.Theinclinationanddipangleofslicingareconsistentwiththeinclinationanddipangleoforebody,theopentrenchisexcavatedalongthestrikeanddipoforebody,andtheminingispromotedsimultaneouslyalongthestrikeanddipoforebody.Gentlyinclinedslicingminingtechnologyavoidsaseriesofminingproblemscausedbytrianglebeltinbenchminingface,whichisbeneficialtoreducemininglossanddilutionrate.Theaveragelossrateanddilutionratedecreasedby28% and41% respectively.

Key words: openpitmine, gentlyinclined, slicingmining

CLC Number: