厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律及控制研究一、本文概述Overviewofthisarticle《厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律及控制研究》是一篇關(guān)于厚煤層開采過程中覆巖破斷失穩(wěn)規(guī)律及其控制策略的研究文章。文章首先概述了厚煤層開采的重要性和挑戰(zhàn)，特別是大采高綜采方式下覆巖破斷失穩(wěn)的問題。隨后，文章深入探討了覆巖破斷失穩(wěn)的內(nèi)在機(jī)制，包括巖體力學(xué)特性、采場應(yīng)力分布、覆巖結(jié)構(gòu)變化等方面。在此基礎(chǔ)上，文章提出了針對(duì)性的控制策略，包括優(yōu)化采場布置、改善采煤工藝、加強(qiáng)支護(hù)措施等，以提高厚煤層開采的安全性和效率。Thestudyonthelawandcontrolofoverlyingrockfractureandinstabilityinfullymechanizedminingsiteswithhighminingheightinthickcoalseamsisaresearcharticleonthelawandcontrolstrategiesofoverlyingrockfractureandinstabilityintheprocessofthickcoalseammining.Thearticlefirstoutlinestheimportanceandchallengesofthickcoalseammining,especiallytheproblemofoverlyingrockfractureandinstabilityunderhighminingheightfullymechanizedminingmethods.Subsequently,thearticledelvedintotheunderlyingmechanismsofoverlyingrockfractureandinstability,includingrockmechanicscharacteristics,stressdistributionintheminingarea,andchangesinoverlyingrockstructure.Onthisbasis,thearticleproposestargetedcontrolstrategies,includingoptimizingminingsitelayout,improvingcoalminingtechnology,strengtheningsupportmeasures,etc.,toimprovethesafetyandefficiencyofthickcoalseammining.本文旨在通過系統(tǒng)研究和分析，揭示厚煤層大采高綜采采場覆巖破斷失穩(wěn)的規(guī)律，為實(shí)際工程應(yīng)用提供理論依據(jù)和技術(shù)支持。文章采用了多種研究方法，包括理論分析、數(shù)值模擬、現(xiàn)場監(jiān)測等，以確保研究結(jié)果的準(zhǔn)確性和可靠性。文章還充分考慮了實(shí)際應(yīng)用的需求，提出了切實(shí)可行的控制策略和建議，對(duì)于提高厚煤層開采的安全性和效率具有重要意義。Thisarticleaimstorevealthelawofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingthroughsystematicresearchandanalysis,providingtheoreticalbasisandtechnicalsupportforpracticalengineeringapplications.Thearticleadoptsvariousresearchmethods,includingtheoreticalanalysis,numericalsimulation,on-sitemonitoring,etc.,toensuretheaccuracyandreliabilityoftheresearchresults.Thearticlealsofullyconsidersthepracticalapplicationneedsandproposespracticalandfeasiblecontrolstrategiesandsuggestions,whichareofgreatsignificanceforimprovingthesafetyandefficiencyofthickcoalseammining.通過本文的研究，不僅可以深入了解厚煤層大采高綜采采場覆巖破斷失穩(wěn)的規(guī)律，還可以為相關(guān)領(lǐng)域的學(xué)術(shù)研究和工程實(shí)踐提供有益的參考和借鑒。本文的研究成果對(duì)于推動(dòng)厚煤層開采技術(shù)的發(fā)展和創(chuàng)新，促進(jìn)煤炭行業(yè)的可持續(xù)發(fā)展也具有重要的現(xiàn)實(shí)意義。Throughtheresearchinthisarticle,notonlycanwegainadeeperunderstandingofthelawsofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingsites,butitcanalsoprovideusefulreferenceandguidanceforacademicresearchandengineeringpracticeinrelatedfields.Theresearchresultsofthisarticlehaveimportantpracticalsignificanceforpromotingthedevelopmentandinnovationofthickcoalseamminingtechnology,andpromotingthesustainabledevelopmentofthecoalindustry.二、厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律Thelawofoverlyingrockfractureandinstabilityinfullymechanizedminingwithhighminingheightinthickcoalseams在厚煤層大采高綜采采場中，覆巖破斷失穩(wěn)是一個(gè)復(fù)雜且關(guān)鍵的地質(zhì)力學(xué)問題。覆巖主要由多種巖石層組成，它們的物理力學(xué)性質(zhì)、層理結(jié)構(gòu)以及賦存狀態(tài)都直接影響著覆巖的破斷和失穩(wěn)行為。隨著采高的增加，采空區(qū)上方的懸頂面積增大，導(dǎo)致覆巖承受的垂直應(yīng)力相應(yīng)增加，使得覆巖的破斷變得更加劇烈和頻繁。Inthefullymechanizedminingareawithhighminingheightinthickcoalseams,thefailureandinstabilityofoverlyingstrataisacomplexandcriticalgeologicalandmechanicalproblem.Theoverlyingrockismainlycomposedofvariousrocklayers,andtheirphysicalandmechanicalproperties,beddingstructure,andoccurrencestatedirectlyaffectthefractureandinstabilitybehavioroftheoverlyingrock.Astheminingheightincreases,thesuspendedroofareaabovethegoafincreases,leadingtoacorrespondingincreaseinverticalstressbornebytheoverlyingrock,makingthefractureoftheoverlyingrockmoresevereandfrequent.在采場推進(jìn)過程中，覆巖的破斷形式主要包括拉伸破斷和剪切破斷。拉伸破斷多發(fā)生在巖石層理面或弱面處，而剪切破斷則多發(fā)生在巖石內(nèi)部。這兩種破斷形式往往相互關(guān)聯(lián)，共同影響著采場的穩(wěn)定性。Duringtheadvancementoftheminingsite,thefractureformsoftheoverlyingrockmainlyincludetensilefractureandshearfracture.Tensilefractureoftenoccursatrockbeddingplanesorweakplanes,whileshearfractureoftenoccursinsiderocks.Thesetwoformsoffractureareofteninterrelatedandtogetheraffectthestabilityoftheminingarea.覆巖的失穩(wěn)規(guī)律與采場推進(jìn)速度、采高、采深以及覆巖自身的物理力學(xué)性質(zhì)密切相關(guān)。隨著采場的推進(jìn)，采空區(qū)上方的覆巖會(huì)經(jīng)歷從穩(wěn)定到不穩(wěn)定，再到重新穩(wěn)定的過程。在這個(gè)過程中，覆巖的應(yīng)力分布、位移變形以及破斷失穩(wěn)的范圍都會(huì)發(fā)生顯著的變化。Theinstabilitylawofoverlyingstrataiscloselyrelatedtotheadvancingspeed,miningheight,miningdepth,andthephysicalandmechanicalpropertiesoftheoverlyingstratathemselves.Astheminingareaadvances,theoverlyingrockabovethegoafwillundergoaprocessfromstabletounstable,andthentorestable.Duringthisprocess,thestressdistribution,displacementdeformation,andrangeoffractureinstabilityoftheoverlyingrockwillundergosignificantchanges.為了更好地理解和掌握覆巖破斷失穩(wěn)的規(guī)律，我們采用了多種研究方法。其中包括現(xiàn)場監(jiān)測、數(shù)值模擬和理論分析等?，F(xiàn)場監(jiān)測可以直觀地反映采場覆巖的動(dòng)態(tài)變化過程，數(shù)值模擬則可以模擬不同條件下的覆巖破斷失穩(wěn)行為，而理論分析則可以為我們提供更為深入的認(rèn)識(shí)和理解。Inordertobetterunderstandandgraspthelawsofoverlyingrockfractureandinstability,wehaveadoptedvariousresearchmethods.Thisincludeson-sitemonitoring,numericalsimulation,andtheoreticalanalysis.Onsitemonitoringcanintuitivelyreflectthedynamicchangesoftheoverlyingrockintheminingarea,whilenumericalsimulationcansimulatethefractureandinstabilitybehavioroftheoverlyingrockunderdifferentconditions.Theoreticalanalysiscanprovideuswithadeeperunderstandingandcomprehension.通過對(duì)厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律的研究，我們可以為采場的安全生產(chǎn)和優(yōu)化設(shè)計(jì)提供重要的理論依據(jù)和實(shí)踐指導(dǎo)。例如，通過調(diào)整采場推進(jìn)速度、優(yōu)化采高以及加強(qiáng)采場支護(hù)等措施，可以有效地控制和減緩覆巖的破斷失穩(wěn)行為，從而提高采場的穩(wěn)定性和安全性。Bystudyingthelawsofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingsites,wecanprovideimportanttheoreticalbasisandpracticalguidanceforthesafetyproductionandoptimizationdesignofminingsites.Forexample,byadjustingtheadvancingspeedoftheminingarea,optimizingtheminingheight,andstrengtheningthesupportoftheminingarea,thebreakingandinstabilitybehavioroftheoverlyingrockcanbeeffectivelycontrolledandsloweddown,therebyimprovingthestabilityandsafetyoftheminingarea.未來，隨著科技的進(jìn)步和研究的深入，我們相信對(duì)于厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律的認(rèn)識(shí)和理解會(huì)更加深入和全面。我們也將不斷探索新的技術(shù)和方法來更好地應(yīng)對(duì)覆巖破斷失穩(wěn)所帶來的挑戰(zhàn)和問題。Inthefuture,withtheprogressoftechnologyandthedeepeningofresearch,webelievethatourunderstandingandcomprehensionofthelawsofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingsiteswillbemorein-depthandcomprehensive.Wewillalsocontinuouslyexplorenewtechnologiesandmethodstobetteraddressthechallengesandproblemsbroughtaboutbyoverlyingrockfractureandinstability.三、厚煤層大采高綜采采場覆巖破斷失穩(wěn)控制技術(shù)Controltechnologyforoverlyingrockfractureandinstabilityinfullymechanizedminingwithhighminingheightinthickcoalseams針對(duì)厚煤層大采高綜采采場覆巖破斷失穩(wěn)的問題，控制技術(shù)的研究與應(yīng)用顯得尤為重要。本文旨在探討幾種有效的控制技術(shù)，以期提高采場穩(wěn)定性，確保安全生產(chǎn)。Theresearchandapplicationofcontroltechnologyareparticularlyimportantfortheproblemofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingsites.Thisarticleaimstoexploreseveraleffectivecontroltechniquesinordertoimprovethestabilityoftheminingsiteandensuresafeproduction.開采順序是影響采場覆巖破斷失穩(wěn)的關(guān)鍵因素之一。通過優(yōu)化開采順序，可以減少采場應(yīng)力的集中，從而降低覆巖破斷的風(fēng)險(xiǎn)。建議采用由遠(yuǎn)及近、由易到難的開采順序，逐步釋放采場應(yīng)力，保持采場整體穩(wěn)定。Theminingsequenceisoneofthekeyfactorsaffectingthefractureandinstabilityoftheoverlyingrockintheminingarea.Byoptimizingtheminingsequence,theconcentrationofstressintheminingareacanbereduced,therebyreducingtheriskofoverlyingrockfracture.Itisrecommendedtoadoptaminingsequencefromfartonear,fromeasytodifficult,andgraduallyreleasethestressintheminingareatomaintainoverallstability.采場支護(hù)是防止覆巖破斷失穩(wěn)的重要手段。通過合理選擇支護(hù)方式，如采用錨桿、錨索、支架等支護(hù)結(jié)構(gòu)，可以有效增強(qiáng)采場圍巖的穩(wěn)定性。支護(hù)結(jié)構(gòu)的參數(shù)優(yōu)化也是關(guān)鍵，需要根據(jù)采場地質(zhì)條件和開采工藝進(jìn)行精確設(shè)計(jì)。Miningsupportisanimportantmeanstopreventthecollapseandinstabilityofoverlyingstrata.Byselectingreasonablesupportmethods,suchasusinganchorrods,anchorcables,andsupports,thestabilityofthesurroundingrockintheminingareacanbeeffectivelyenhanced.Theparameteroptimizationofthesupportstructureisalsocrucial,requiringprecisedesignbasedonthegeologicalconditionsandminingtechnologyoftheminingsite.注水減壓是一種有效的采場覆巖破斷失穩(wěn)控制技術(shù)。通過向采場圍巖注入高壓水，可以降低圍巖的應(yīng)力水平，減少覆巖破斷的風(fēng)險(xiǎn)。注水減壓技術(shù)需要結(jié)合采場實(shí)際情況進(jìn)行精確控制，確保注水壓力、流量等參數(shù)的合理性。Waterinjectionpressurereductionisaneffectivetechniqueforcontrollingthefracturingandinstabilityofoverlyingstratainminingareas.Injectinghigh-pressurewaterintothesurroundingrockoftheminingareacanreducethestresslevelofthesurroundingrockandreducetheriskofoverlyingrockfracture.Thewaterinjectionpressurereductiontechnologyneedstobeaccuratelycontrolledinconjunctionwiththeactualsituationoftheminingsitetoensuretherationalityofparameterssuchaswaterinjectionpressureandflowrate.采場監(jiān)測與預(yù)警系統(tǒng)是控制覆巖破斷失穩(wěn)的重要手段。通過實(shí)時(shí)監(jiān)測采場圍巖的變形、應(yīng)力等參數(shù)，可以及時(shí)發(fā)現(xiàn)異常情況，并采取相應(yīng)的控制措施。預(yù)警系統(tǒng)的建立需要依托先進(jìn)的監(jiān)測技術(shù)和數(shù)據(jù)分析方法，確保預(yù)警的準(zhǔn)確性和及時(shí)性。Themonitoringandearlywarningsystemoftheminingsiteisanimportantmeansofcontrollingthefailureandinstabilityoftheoverlyingrock.Bymonitoringthedeformation,stressandotherparametersofthesurroundingrockinreal-time,abnormalsituationscanbedetectedinatimelymannerandcorrespondingcontrolmeasurescanbetaken.Theestablishmentofanearlywarningsystemreliesonadvancedmonitoringtechnologyanddataanalysismethodstoensuretheaccuracyandtimelinessofearlywarning.厚煤層大采高綜采采場覆巖破斷失穩(wěn)控制技術(shù)的研究與應(yīng)用對(duì)于提高采場穩(wěn)定性、保障安全生產(chǎn)具有重要意義。未來，還需要進(jìn)一步加強(qiáng)相關(guān)技術(shù)的研究與實(shí)踐，推動(dòng)采場控制技術(shù)的不斷完善與發(fā)展。Theresearchandapplicationofcontroltechnologyforoverlyingrockfractureandinstabilityinfullymechanizedminingofthickcoalseamsareofgreatsignificanceforimprovingthestabilityoftheminingareaandensuringsafeproduction.Inthefuture,itisnecessarytofurtherstrengthentheresearchandpracticeofrelatedtechnologies,andpromotethecontinuousimprovementanddevelopmentofminingcontroltechnology.四、案例分析Caseanalysis以某礦區(qū)的厚煤層大采高綜采采場為例，詳細(xì)分析了覆巖破斷失穩(wěn)的規(guī)律，并提出了相應(yīng)的控制措施。該礦區(qū)地質(zhì)條件復(fù)雜，煤層厚度大，采高達(dá)到5m，屬于典型的厚煤層大采高綜采。Takingathickcoalseamwithhighminingheightinacertainminingareaasanexample,thispaperanalyzesindetailthelawofoverlyingrockfractureandinstability,andproposescorrespondingcontrolmeasures.Thegeologicalconditionsoftheminingareaarecomplex,withalargecoalseamthicknessandaminingheightofupto5m,whichbelongstothetypicalthickcoalseamhighminingheightfullymechanizedmining.在案例分析中，首先對(duì)該采場的地質(zhì)條件進(jìn)行了詳細(xì)勘察，包括煤層的厚度、巖層的結(jié)構(gòu)、地應(yīng)力的分布等。在此基礎(chǔ)上，利用數(shù)值模擬軟件建立了采場的三維模型，對(duì)采場開采過程中的覆巖破斷失穩(wěn)過程進(jìn)行了模擬分析。Inthecasestudy,adetailedinvestigationwasconductedonthegeologicalconditionsoftheminingsite,includingthethicknessofthecoalseam,thestructureoftherocklayer,andthedistributionofgeostress.Onthisbasis,athree-dimensionalmodeloftheminingareawasestablishedusingnumericalsimulationsoftware,andtheprocessofoverlyingrockfractureandinstabilityduringminingwassimulatedandanalyzed.模擬結(jié)果表明，在采場開采過程中，隨著工作面的推進(jìn)，覆巖受到采動(dòng)影響逐漸產(chǎn)生裂縫，并隨著采空區(qū)的擴(kuò)大而逐漸擴(kuò)展。當(dāng)采空區(qū)達(dá)到一定范圍時(shí)，覆巖出現(xiàn)大面積破斷失穩(wěn)，對(duì)采場的安全生產(chǎn)構(gòu)成了嚴(yán)重威脅。Thesimulationresultsindicatethatduringtheminingprocessintheminingarea,astheworkingfaceadvances,theoverlyingrockisgraduallyaffectedbyminingandcracksareformed,whichgraduallyexpandwiththeexpansionofthegoaf.Whenthegoafreachesacertainrange,theoverlyingrockundergoeslarge-scalefractureandinstability,posingaseriousthreattothesafetyproductionoftheminingarea.為了有效控制覆巖破斷失穩(wěn)，采取了多項(xiàng)控制措施。優(yōu)化采場布置，合理設(shè)計(jì)工作面長度和推進(jìn)速度，減小采動(dòng)對(duì)覆巖的影響。加強(qiáng)頂板管理，采用先進(jìn)的支護(hù)技術(shù)，提高頂板的穩(wěn)定性。還采取了注水措施，增加煤體的濕潤性，減小煤體對(duì)覆巖的摩擦阻力。Inordertoeffectivelycontrolthefracturingandinstabilityoftheoverlyingrock,multiplecontrolmeasureshavebeentaken.Optimizethelayoutoftheminingarea,designthelengthandadvancingspeedoftheworkingfacereasonably,andreducetheimpactofminingontheoverlyingrock.Strengthenroofmanagement,adoptadvancedsupporttechnologies,andimprovethestabilityoftheroof.Waterinjectionmeasureswerealsotakentoincreasethewettabilityofthecoalbodyandreducethefrictionalresistanceofthecoalbodytotheoverlyingrock.通過實(shí)施以上控制措施，采場覆巖破斷失穩(wěn)問題得到了有效改善。模擬結(jié)果顯示，采取控制措施后，覆巖破斷失穩(wěn)的范圍和程度均有所減小，采場的安全生產(chǎn)得到了保障。Byimplementingtheabovecontrolmeasures,theproblemofoverlyingrockfractureandinstabilityintheminingareahasbeeneffectivelyimproved.Thesimulationresultsshowthataftertakingcontrolmeasures,therangeanddegreeofoverlyingrockfractureandinstabilityhavebeenreduced,andthesafetyproductionoftheminingareahasbeenguaranteed.本案例的分析結(jié)果表明，在厚煤層大采高綜采采場中，覆巖破斷失穩(wěn)是一個(gè)復(fù)雜的地質(zhì)問題。通過采取科學(xué)有效的控制措施，可以有效地改善覆巖的穩(wěn)定性，保障采場的安全生產(chǎn)。也為類似條件下的采場提供了有益的參考和借鑒。Theanalysisresultsofthiscaseindicatethatinthefullymechanizedminingareawithhighminingheightinthickcoalseams,thefailureandinstabilityofoverlyingstrataisacomplexgeologicalproblem.Byadoptingscientificandeffectivecontrolmeasures,thestabilityoftheoverlyingstratacanbeeffectivelyimproved,ensuringthesafetyproductionoftheminingsite.Italsoprovidesusefulreferenceandinspirationforminingsitesundersimilarconditions.五、結(jié)論與展望ConclusionandOutlook本文對(duì)厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律進(jìn)行了深入的研究，通過理論分析、數(shù)值模擬和現(xiàn)場實(shí)測等多種手段，揭示了覆巖破斷失穩(wěn)的內(nèi)在機(jī)制和影響因素。研究結(jié)果表明，厚煤層大采高綜采采場覆巖破斷失穩(wěn)受多種因素共同作用，包括采高、采厚比、煤層傾角、頂板巖性、采動(dòng)應(yīng)力等。其中，采高和采厚比是影響覆巖破斷失穩(wěn)的主要因素，隨著采高的增加，覆巖破斷失穩(wěn)的風(fēng)險(xiǎn)增大。本文還提出了基于能量原理的覆巖破斷失穩(wěn)判據(jù)，為采場穩(wěn)定性分析和控制提供了新的理論依據(jù)。Thisarticleconductsin-depthresearchonthelawofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingsites.Throughvariousmeanssuchastheoreticalanalysis,numericalsimulation,andon-sitemeasurement,theinternalmechanismandinfluencingfactorsofoverlyingrockfractureandinstabilityarerevealed.Theresearchresultsindicatethatthefailureandinstabilityofoverlyingstratainfullymechanizedminingareaswithhighminingheightinthickcoalseamsareinfluencedbymultiplefactors,includingminingheight,miningthicknessratio,coalseaminclinationangle,rooflithology,andmininginducedstress.Amongthem,miningheightandminingthicknessratioarethemainfactorsaffectingtheinstabilityofoverlyingrockfracture.Withtheincreaseofminingheight,theriskofoverlyingrockfractureinstabilityincreases.Thisarticlealsoproposesacriterionforoverburdenfractureinstabilitybasedontheprincipleofenergy,providinganewtheoreticalbasisfortheanalysisandcontrolofminingstability.在研究過程中，本文還針對(duì)不同地質(zhì)條件和開采工藝下的采場穩(wěn)定性問題，提出了一系列有效的控制措施，包括優(yōu)化開采參數(shù)、加強(qiáng)頂板管理、采用合理的支護(hù)方式等。這些措施的實(shí)施可以顯著降低覆巖破斷失穩(wěn)的風(fēng)險(xiǎn)，提高采場的生產(chǎn)安全。Duringtheresearchprocess,thisarticlealsoproposedaseriesofeffectivecontrolmeasuresforthestabilityofminingsitesunderdifferentgeologicalconditionsandminingprocesses,includingoptimizingminingparameters,strengtheningroofmanagement,andadoptingreasonablesupportmethods.Theimplementationofthesemeasurescansignificantlyreducetheriskofoverlyingrockfractureandinstability,andimprovetheproductionsafetyoftheminingarea.盡管本文對(duì)厚煤層大采高綜采采場覆巖破斷失穩(wěn)規(guī)律進(jìn)行了較為深入的研究，但仍存在一些問題需要進(jìn)一步探討。本文的研究主要基于理論分析和數(shù)值模擬，雖然取得了一定的成果，但仍需通過更多的現(xiàn)場實(shí)測數(shù)據(jù)來驗(yàn)證和完善相關(guān)理論。采場覆巖破斷失穩(wěn)是一個(gè)復(fù)雜的過程，涉及多種因素的相互作用，因此需要進(jìn)一步深入研究各因素之間的耦合關(guān)系及其對(duì)采場穩(wěn)定性的影響。Althoughthisarticlehasconductedin-depthresearchonthelawsofoverlyingrockfractureandinstabilityinthickcoalseamhighminingheightfullymechanizedminingsites,therearestillsomeissuesthatneedfurtherexploration.Theresearchinthisarticleismainlybasedontheoreticalanalysisandnumericalsimulation.Althoughcertainachievementshavebeenmade,moreon-sitemeasureddataisstillneededtoverifyandimprovetherelevanttheories.Thefracturingandinstabilityofoverlyingrockinaminingareaisacomplexprocessthatinvolvestheinteractionofmultiplefactors.Therefore,furtherin-depthresearchisneededonthecouplingrelationshipbetweenvariousfactorsandtheirimpactonthestabilityoftheminingarea.未來，可以從以下幾個(gè)方面展開進(jìn)一步的研究工作：一是加強(qiáng)現(xiàn)場實(shí)測數(shù)據(jù)的收集和分析，以更準(zhǔn)確地掌握厚煤層大采高綜采采場覆巖破斷失穩(wěn)的規(guī)律；二是深入研究采場覆巖破斷失穩(wěn)過程中的能量演化規(guī)律，為采場穩(wěn)定性分析和控制提供更為精確的理論依據(jù)；三是探索新的開采工藝和技術(shù)手段，以降低覆巖破斷失穩(wěn)的風(fēng)險(xiǎn)，提高采場的生產(chǎn)效率和安全性。Inthefuture,furtherresearchwo