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EvaluationonSlopeStabilityof1#MajorGrooveDumpinDahongshanCopperMine

  

  1. (KunmingEngineering&ResearchInstituteofNonferrousMetallurgyCo.,Ltd.,Kunming650051,China)
  • Online:2018-10-30 Published:2018-10-30

Abstract: Thestabilityoftherockslopeofthe1#majorgroovedumpisdirectlyrelatedtothehumanslifeandpropertyinthisarea,soitiscriticallyimportanttomakethesafetyevaluationoftherockslope.The1#majorgroovedumphasbeenusedfornearly10years.Inordertoensurethesafeuseandslopestabilityofthe1#majorgroovedumpinthelongrun,FLAC2D andGeo-slopeareusedtosimulatethestabilityofthewasterockdumpslopeaccordingtotheengineeringgeologicalconditions.Simulationresultsshowthatsafetyfactorsofthewasterockdumpslopecanmeettherequirementofsafetygradeunderthenaturalstateandearthquakecondition,atthesametimethestabilityagainstslidingandstabilityagainstoverturningoftheblockingdregsdamalsomeettherequirementofthestandard.Sothedumpslopeisstablewithsomesecurityreserve,whichillustratesthattheoriginaldesignofheaprowofthewaste
rockdumpisfeasibleandrationaltoacertaindegree.Theresearchgivesinsighttoanalyzingthestabilityof1#majorgroovedumpandthecheckandacceptanceofsoilandwaterconservationfacilitieslateron

Key words: statusevaluation, dump, stability, safetyfactor, blockingdregsdam

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