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1、英文原文HighsteepslopeminingsafetyunderAnalysisChina'slargeandmedium-sizedmetalminesaremostlybuiltinthelastcenturyO~51960s.Afterseveraldecadesofdevelopment,atpresent,of80%oftheironoreminingintotheadvancedstage,SomeminesinthehighsteepslopeunderDeepSurfaceMining[1,2].Even
2、thosewhohavetheClosedironore,Inordertorecoverminingresidueintherealmoftheexposedslopeofthehorizonremainingore(knownastheHangingWallMine),alsointhehighsteepslopeundertheore-mining.Inhighsteepslopeminingconditionswillinevitablybringaboutmanysecurityproblems,thetext-ba
3、sedDayeIron2#hangingwallminingexample,rightunderhighsteepslopeminingsafetyissueswerediscussed.1.thebackgroundWuhanIronEastDayeOpenPitcenturysince2O7O'sopenmountainslopesintoDeepopencastmining,hasbeenadoptedtotheminimum168mlevel,theslopeofupto440m,itshighforthedomest
4、icandinternationalsituationsteeprare.Currently,theEasthasbeenopenstopeClosed,transferredtotheundergroundmining,butitsregionalpresencetohelpedgeofalargenumberofhangingwallorebody,fortherecoveryofresources;weneedtohelptheNorth2#peggedtohelpexpandhelpfororemining.2#han
5、gingwalloftheEagle'sNestoreoreminingresiduetowardlong6O~70m,thethickness30~50m,theentireorebodywasF13faultswhichcrosses[3,4].Asthehangingwalloreoccurrenceconditionsareunique,intheirexploitationoftheminingsectorhasbeenmoreheadacheistheproblem,whichinvolvesgeology,min
6、ingengineering,geotechnicalengineering,safetyandreliabilityofmanydisciplines.Producedslopeonthehangingwalloreisastrongminingact,twoofthesafetyissues,first,undertheconditionsofminingrocksloperetainitsownstability,followedbytheminingconstructionprocessofthesafetyofope
7、rations.Bothinterrelatedandinfluenceeachother,onlytoensurethattheyaresafe,miningpurposescanbeachieved.2.thedeformationofslopesafetymonitoringHigh-steepslopemininghangingwallduringthemanyfactors,theroleofthesefactors,Rockmaybedamaged,leadingtotheslopedeformation,them
8、ostextremeoutcomeisthelossofslopestability,andcauselandslides.Duetotheslopefromthedeformationofamicrotomacro-deformationofthetransformatio
