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1、TheinfluenceofminingexploitationonenvironmentandthesolutionofthedisposalofsolidwasteresidueBytheyearof2012,Chinahas8557State-ownedminingenterprisesandover200thousandsindividuallyownedenterprises.Theareaofdestroyedlandinminingareaaddsupto29thousandkm^2andgrowsat
2、therateof2%eachyear(LiaoL-P,Gao.HandYuX-J,2012).Theminingindustryhasscoredtremendousachievements,butmeanwhileitthreatenstheenvironment.Someindividuallyownedenterpriseslacktheawarenessofenvironmentalprotectionandtakenopreventivemeasuretolowertheircost.Furthermor
3、e,out-of-dateequipmentandpoortechnologycausehugewasteinproduction,whichcauseseriousenvironmentalpollution.ThedestructiononlandresourcesStripminingandthepilingoftailingsandwasteresidueoccupiesanddestroyslargeland.Inchina,thewaste-occupiedlandinminingareaaddsupto
4、59thousandkm^2andtheresultingdeforestationareaaddsupto11thousandkm^2(MaX-Q,HuangB-L,2010).StripminingcanresultinthedestructionoflandsurfaceandLandSubsidenceandacceleratethewaterandsoillosses.Accordingtoofficialstatistics,bytheyearof2011,intheminingareaofwestern
5、China,theSoilerosionareaannuallyincreases20km^2.TheincreaseoftheriskofgeologicaldisasterTheconstructionofminingengineeringcansignificantlychangethelandforminminingarea.Diggingtoacertaindepthwillthreatenthestabilityofhillsideandeasilyinducesomegeologicaldisaster
6、s,suchaslandslip,collapse,debrisflow,surfacesubsidenceandevenearthquake(CaoF-G,2007).Forexample,4tonsofwaterwillbedrainedoffwhen1tonofcoalismined.Thelossofgroundwaterexertshugepressureonearthcrust(Gibowicz,1999).InChina,therearenearly2000sinkholesandthecollapse
7、areaaddsupto1150km^2.Almost40oftheminingcitiesinChinahaveCave-inaccident,whichthreatensthelifeofmineoperatorsandcauseheavypropertyloss,about120milliondollarsonaverageeachyear.TheinfluenceonwaterresourceDeepminingengineeringwillinfluencethesurfacewaterresourcesa
8、ndgroundwaterresources.Excessivegroundwaterextractioncancausethedropofwaterlevel,someproblemsonwatersupplyandlandsubsidence(AuclairAD,2008).Thequalitysurfacewaterwilldecreas
