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1、1,coalmines,mineareinchargeofthewatercontrolworkresponsibility,and(b)specificallyresponsibleforthetechnicalmanagementofwaterpreventionandcontrolwork.A,ChiefEngineer,mineb,c,geology,geologicalsurveyVicePresidentdsection2,coalmines,mineshouldbethepreparationofthe
2、medium-andlong-termplanningandcontrolwater(a)plans,andtheirimplementation.A,yearb,quartersc,3,coalmines,mineshouldbe(a)forwatereducationandtrainingtoensureemployeeshavethenecessaryknowledgeofwatercontrol,improvingwatercontrolworkskillsandtheabilitytoresistwater
3、damage.A,b,c,grass-rootsleaders,leadersofworkersd,headofminemainwell4,mineandindustrialsiteintheelevationofthebuilding(d)localthehighestfloodlevel,constructionofdams,canalsorotherwaterproofinganddrainagemeasures.A,isequaltob,nohigherthanc,higherthand,lessthan5,
4、minemainpumpingstationshouldbeatleast(b)exits,anexitwithinclinedroadwayintothewellbore,overandabovethepumpHousefloor7m.A,1b,2c,3d,46miningareawaterChamber,theeffectivecapacityshouldbeabletohold(b)normalinflowinminingarea.A,2Hb,4Hc,6hd,8h7,shortsumpcapacityshoul
5、dbemaintainedatatotalcapacityof(b)above.A,40%b,50%c,60%d,70%8,intheyearbeforetherainyseason,shouldcompleteoverhaul(a),andallpumpsandbackuppumpswere1jointtestsandfoundtheproblemanddealwithit.A,1b,2c,3d,4-9,complexandverycomplexhydrogeologicalconditionsofmineonth
6、egroundcouldnotbeidentifiedwhenminehydrogeologicalconditionandwaterfillingfactorsshouldbepersisted,(d)theprincipleofstrengtheningtheworkofsurveywater.A,diggingafterthefirstb,cmining,afterthefirsthadthesuspectswillfindd,excavationswillbe10,penetratingexploration
7、ofgoafwater,karsticwateranddrillingwater,waterdrillinggrouplayout,andintheroadwayinfrontofthehorizontalplaneandverticalplanefan-shaped.Drillholelocationstomeethorizontaldistance(d)asthestandard,thickcoalseamintheboreholeoffsetmustnotexceed1.5M.A,1Mb,1.5Mc,2md,3
8、M11,seam,prohibitioninprinciplesurveywaterpressureabove(c)MPawaterfillingfaultwater,aquiferwaterandkarsticwater.Ifneeded,youcanwaterproofwallandgatewallwithinsurveywater.A,b
