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ADOPTTHECRESTOFTHECOALWORKNOODLESPLANKMANAGEMENTPROBLEMSTUDYCRESTTHEPLANKMANAGEMENTISTHEPOINTTHATADOPTSASAFEMANAGEMENTOFTHECOALWORKNOODLESSTATISTICSACCORDINGTOTHEDATA,CRESTTHEPLANKTROUBLEHAS60OFTHECOALMINETROUBLEABOUT,ADOPTINGTHETROUBLEOFTHECOALWORKNOODLESANDHAVINGACREST70OFTHEPLANKTROUBLEABOVETHEREFORE,WEHAVETOSTRENGTHENAPLANKMANAGEMENT,REDUCINGTOADOPTTHECOALWORKNOODLESCRESTTHEOCCURRENCEOFTHEPLANKTROUBLE1,THEDEFINITIONOFTHECREST,SCALEBOARDANDITCATEGORIZEENDOWWITHTHEEXISTENCECOALSEAMONOFTHECLOSEBYROCKSTRATABECALLEDAPLANK,ENDOWWITHTHEEXISTENCECOALSEAMUNDEROFTHECLOSEBYROCKSTRATABECALLEDSCALEBOARDCRESTTHEROCK,STRENGTHOFTHESCALEBOARDANDABSORBWATERSEXANDDIGGINGTOWORKTHEMANAGEMENTOFTHENOODLESCONTAINDIRECTRELATION,THEYISCERTAINCRESTTHEPLANKPROTECTAWAYANDCHOOSETOADOPTTHEEMPTYAREAPROCESSINGMETHODOFMAINBASIS11PLANKSCATEGORIZEACCORDINGTOROCK,THICKNESSANDRETURNTOADOPTPROCESSTOFALLINTHE垮OFDIFFICULTEASYDEGREE,CRESTTHEPLANKISDIVIDEDINTOTHEFALSECREST,DIRECTCRESTANDOLDCRESTACCORDINGTODIRECTCRESTSPORTTOADOPTAFIELDTOTHEINFLUENCEFORPRESS,THEDIRECTCRESTISDIVIDEDINTOBROKENUP,UNSTEADY,MEDIUMETCSTABILITY,STABILITY,STRONGANDTOUGHCRESTPLANKETCISFIVEACCORDINGTOOLDCRESTTHESPORTBEWORKMINERALINSIDETHENOODLESPRESSTOPRESENTDEGREEANDTOWORKSAFETHREATOFNOODLESOFSIZE,THEOLDCRESTISISDIVIDEDINTOPRESSVERYANDSEVERELY,PRESSMIGHTINESS,PRESSTOCOMPAREOBVIOUSLY,DONTOBVIOUSLYPRESSETCISFOUR12SCALEBOARDSCATEGORIZEACCORDINGTOTHEOPPOSITEPOSITIONRELATIONOFTHEROCKSTRATAANDTHECOALSEAM,THESCALEBOARDISDIVIDEDINTODIRECTBOTTOMWITHTHEOLDBOTTOMLOCATECOALSEAMDIRECTLYUNDEROFTHEROCKSTRATABECALLEDDIRECTBOTTOMLOCATETHEDIRECTBOTTOMORCOALSEAMUNDEROFTHEROCKSTRATABECALLEDOLDBOTTOMTHECOALSEAMCRESTTHESCALEBOARDTYPEEXPECTSTHEINFLUENCEOFTHEGEOLOGYSTRUCTURESPORTAFTERBESUBJECTEDTOTHEDEPOSITIONENVIRONMENTAND,ITSGROWTHINDIFFERENTREGIONDEGREEDISSIMILARITY,THECOALSEAMPOSSIBILITYFORHAVEISNTWHOLE2,CRESTTHATNEEDTOBECONTROLPLANKCLASSIFICATIONANDADOPTTHEPROCESSINGWAYOFTHEEMPTYAREAACCORDINGTODIFFERENTCRESTTHEPLANKTYPEANDPROPERTY,CHOOSETOPAYTOPROTECTAWAYANDADOPTTHEEMPTYAREAPROCESSINGMETHODDIFFERENTLY,ISAPLANKMANAGEMENTOFBASICPRINCIPLE21CRESTNEEDEDTOPULLTOMAKEPLANKCLASSIFICATIONPRESSAKNOTHOLEROCKSTRATASTRENGTH,THECRESTPLANKTHATNEEDSTOBECONTROLCANISDIVIDEDINTOGENERALCRESTTHEPLANK,SLOWNESSDESCENDTOSINKAPLANKANDISWHOLEFALLTHECRESTOFTHECAVEINTHEDANGERPLANKETC22WORKNOODLESADOPTTHEPROCESSINGMETHODOFTHEEMPTYAREATHEPROCESSINGMETHODTHATADOPTSEMPTYAREAMAINLYHASALL垮SFALLAMETHOD,PARTIALFULLTOFILLAMETHOD,THECOALPILLARTOPROPUPAMETHODTOALLEVIATETODESCENDTOSINKAMETHODSLOWLYETC3,CRESTTHEPLANKPRESSUREPRESENTACHARACTERISTIC31TOPTHECOVERROCKSTRATAOFTHESPORTREGULATIONANDTHEWORKINFRONTPAYTOACCEPTPRESSURETODISTRIBUTEBEHINDDURINGTHEPERIODOFMINE,ADOPTEMPTYAREAABOVEOFTHEROCKSTRATAWILLTAKEPLACEAMBULATION,ACCORDINGTOCRESTTHEPLANKCHANGEMINDCONDITION,TAKINGTHECRANNYROCKSTRATAINUPTHECOVERROCKSTRATAFOLLOWTHEWORKNOODLESTOPUSHFORWARDTHEDIRECTIONDEMARCATIONASTHREEAREASTHECOALWALLPROPUPTHEINFLUENCEAREA,LEAVELAYERAREAANDREPRESSSOLIDAREATHENOODLESOPENSTOSLICEANEYETOGOTOPUSHFORWARDFORWARDINTHEPROCESSFROMTHEWORK,BREAKORIGINALSHOULDTHEEQUILIBRIUMOFTHEDINTFIELD,CAUSESHOULDTHEDINTREDISTRIBUTEBEADOPTINGTHECOALWORKNOODLESTOBECOMETOPAYTOACCEPTPRESSUREINFRONTANDBACK,ITCONCRETELYDISTRIBUTESSHAPETOHAVESOMETHINGTODOWITHADOPTINGTHEEMPTYAREAPROCESSINGMETHOD32FIRSTTIMESTOPRESSTOPRESSAMAINMANIFESTATIONWITHTHEPERIODFIRSTTIMETOPRESSAMAINMANIFESTATIONBEAPLANK“BYONESELFTHEVIELDSONG“RANGEENLARGEMENTTHECOALWALLTRANSFORMANDFALLTOFALLTHESLICEHELPPAYTOPROTECTTODRILLBOTTOMETCFIRSTTIMETOPRESSTOWANTTOKEEPONMOREANDSUDDENLYANDGENERALLYFOR23DAYSPERIODTOPRESSAMAINMANIFESTATIONMAINMANIFESTATIONBECRESTTHEPLANKDESCENDTOSINKNASTYPLAYINCREMENTOFSPEED,CRESTTHEPLANKDESCENDTOSINKQUANTITYTOBECOMEBIGPAYWHATPILLARBESUBJECTEDTOLOADWIDESPREADINCREMENTADOPTEMPTYAREATOHANGACRESTPAYPILLARTOMAKEANOISECAUSETHECOALWALLSLICETOHELP,PAYPILLARTODAMAGE,CRESTPLANKOCCURRENCETHESTEPDESCENDTOSINKETCIFPAYTHEPILLARPARAMETERCHOICETOBEUNSUITEDTOAPROPERORSINGLEBODYTOPAYTHEPILLARSTABILITYWORSE,MAYCAUSETHEPARTIALCRESTORCRESTPLANKFOLLOWTHEWORKNOODLESTOSLICETOFALLETC4,CRESTTHEPLANKCHOICEFORPROTECTTHEWORKNOODLESTHEFUNCTIONFORPROTECTDECELERATEAPLANKTODESCENDTOSINK,SUPPORTINGTOCONTROLACRESTTOBEAPARTFROMTHEKNOTHOLEINTEGRITYINSIDETHECREST,ASSURANCEWORKSPACESAFETY41CHOICESTHATPROTECTMATERIALANDFORMPAYTOPROTECTMATERIALTOMAINLYTHEREARETHEMETALSSUPPORTANDTHEWOODSUPPORTPAYTOPROTECTAFORMTOMAINLYHAVEALITTLETHEPILLARTOPROTECT,THECOTETYPEPROTECTTOPRESSASUPPORTWITHLIQUID42SPROTECTASPECIFICATIONCHOICEWHILECHOOSINGTOPAYTOPROTECTSPECIFICATION,MAINLYCONTROLTHEFOLLOWING2001CONTROLTHEWORKNOODLESADOPTHIGHANDITSVARIETYGENERALLYCANACCORDINGTODRILLAHOLETHEPILLARFORMORHAVEALREADYDUGTHETUNNELDATAOFTOMAKESURETOADOPTHIGHFROMLASTTHEMOVABLEREGULATIONOFTHECOVERROCKSTRATA,CANTHEINITIALASSURANCECRESTPLANKATBIGGESTCONTROLACRESTTOBEAPARTFROMPLACEOFAVERAGEBIGGESTDESCENDTOSINKQUANTITY,SELECTTOPAYAPILLARMODELNUMBERSUITABLELY2CONTROLTHECRESTPLANKOFTHENORMALAPPEARANCETODESCENDTOSINKTHEQUANTITYANDSUPPORTCANTHEDRAWBACKQUANTITYCOMPUTETHEBI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