带压开采条件下,采动应力与高承压水的耦合作用是造成底板破坏、矿井突水的根本原因。项目采用现场考察、理论分析、数值模拟、实验研究与现场应用相结合的研究方法,研究采场应力条件,开采布局,开采厚度和采空区处理方法对二次应力分布规律的影响,弄清底板突水的应力场演化规律及其对底板岩层破坏的影响规律。采用MTS815实验系统和自制的三轴渗透仪,测试岩石在水化学作用、渗透水压渗流作用下的损伤演化规律;测试岩石在应力和承压水耦合作用下起裂规律和峰后岩石承压水渗透规律。建立岩石试件水化学损坏蠕变模型,孔隙度和渗透性系数动态演化模型。构建承压水上岩层变形—破坏—裂隙渗流的水化学耦合数学模型,进行有限差分求解,开发计算程序,实现对复杂采动条件下承压水上岩层的变形、起裂和承压水渗流规律的数值模拟,建立煤层底板突水风险的预测预警系统。.Aseveryoneknows,manycoalminesarefacedwiththeproblemofminingthreatenedbyOrdovicianLimestonewater,thecouplingactionofmining-inducedstressandhighconfinedwateristhebasicreasonoffloorfailureandwaterinrush.Inordertomakeclearthefloorstressfieldevolutionanditscontributiontotherulesoffloorfailure,thespotinvestigation,theoreticalanalysis,numericalsimulation,experimentalresearchandfieldapplicationareusedintext,andtheinsitustressconditions,mininglayout,miningthicknessandgoafmanagementmeasures’contributiontothesecondarystressdistributionlawsarestudiedsystematicallyandintensively.TheMTS815experimentalsystemandself-madetriaxialpermeameteraremadetostudywater-rockcouplingrule,lawofrockcrackandconfinedwaterinfiltrationlaw.Therockhydrochemistrydamagecreepmodelanddynamicevolutionmodelofporosityandpenetrabilitycoefficientareestablished.Constructthemathematicalmodelofrockstrata,whichisundertheconditionofconfinedwater,deformation-damage-fractureseepage,andhydrochemistrycoupling,andcalculationprogramisdeveloped.Realizethenumericalsimulationofpressurewaterrockdefomation,crackandfissuringevolutionrulesinthecomplexminecondition,establishfloorwaterinrushmonitoringandearlywarningsystem.Theachievementisofgreatimportanceforstudyonthegovernanceoffloorwaterincoalmine,especiallyforrockmechanicsanditsseepagelawindeep.(你翻译的英译汉)众所周知,许多煤矿矿业面临的问题威胁到奥陶系灰岩水、采动应力的耦合作用和高承压水的基本原因是地板失败和突水。为了明确地应力场演化及其对地板的规则失败,现场调查、理论分析、数值模拟、实验研究和现场应用中使用文本,以及原岩应力条件下,开采布局、开采厚度和采空区管理措施贡献次应力分布规律进行了研究系统和集中。MTS815实验系统和白手起家的三轴渗透仪是研究水岩耦合规则,法律的岩石裂缝,承压水渗透法律。岩石水化学损伤蠕变模型和动态演化模型,建立了孔隙度和渗透性系数。构建数学模型的岩石地层、承压水条件下,deformation-damage-fracture渗流,和水化学耦合,并编制计算程序。实现压力的数值模拟水岩石defomation、裂缝和裂隙演化规则的复杂开采条件,建立底板突水监测和早期预警系统。重视研究的成就是地板水的治理煤矿,特别是对岩石力学和渗流法在深。带压开采条件下,采动应力与高承压水的耦合作用是造成底板破坏、矿井突水的根本原因。项目采用现场考察、理论分析、数值模拟、实验研究与现场应用相结合的研究方法,研究采场应力条件,开采布局,开采厚度和采空区处理方法对二次应力分布规律的影响,弄清底板突水的应力场演化规律及其对底板岩层破坏的影响规律。采用MTS815实验系统和自制的三轴渗透仪,测试岩石在水化学作用、渗透水压渗流作用下的损伤演化规律;测试岩石在应力和承压水耦合作用下起裂规律和峰后岩石承压水渗透规律。建立岩石试件水化学损坏蠕变模型,孔隙度和渗透性系数动态演化模型。构建承压水上岩层变形—破坏—裂隙渗流的水化学耦合数学模型,进行有限差分求解,开发计算程序,实现对复杂采动条件下承压水上岩层的变形、起裂和承压水渗流规律的数值模拟,建立煤层底板突水风险的预测预警系统。研究成果对煤矿底板水害的治理和深部岩体力学特性及渗流规律研究具有重要的意义。Aseveryoneknows,manycoalminesarefacingtheproblemofcoalminingthreatenedbyOrdovicianLimestonewater,thecouplingactionofmining-inducedstressandhighconfinedwateristhebasicreasonoffloorfailureandwaterinrush.Inordertomakeclearthefloorstressfieldevolutionanditscontributiontotherulesoffloorfailure,thespotinvestigation,theoreticalanalysis,numericalsimulation,experimentalresearchandfieldapplicationareusedintest,andthestopestressconditions,mininglayout,miningthicknessandgoafmanagementmeasures|’effectsonthesecondarystressdistributionlawsarestudiedsystematicallyandintensively.TheMTS815experimentalsystemandself-madetriaxialpermeameteraremadetostudywater-rockcouplingrule,lawofrockcrackandconfinedwaterinfiltrationlaw.Therockhydrochemistrydamagecreepmodelanddynamicevolutionmodelofporosityandpenetrabilitycoefficientareestablished.Constructthemathematicalmodelofrockstrata,whichisundertheconditionofconfinedwater,deformation-damage-fractureseepage,andhydrochemistrycoupling,andcalculationprogramisdeveloped.Realizethenumericalsimulationofpressurewaterrockdefomation,crackandfissuringevolutionrulesinthecomplexminecondition,establishfloorwaterinrushmonitoringandearlywarningsystem.Theachievementisofgreatimportanceforstudyonthegovernanceoffloorwaterincoalmine,especiallyforrockmechanicsanditsseepagelawindeep.汉译英Undertheconditionsofunderpressuremining,miningstressandthecouplingeffectofhighconfinedwaterisfloordamagetherootcauseoftheminewaterinrush.Projecttheinspectthetheoryanalysisofnumericalsimulationexperimentalresearchandfieldapplicationofthecombinationofresearchmethods,Thestopestresscondition,mininglayout,miningthicknessandthegoaftreatmentofsecondarystressdistributionruleandtheeffectofclearregularityofstressfieldevolutioninrushanditsinfluenceonfloorstratadamagerule.UsingMTS815experimentsystemandhome-madetriaxialosmoticinstrument,testtherockwaterchemistryThedamageevolutionlawofpermeabilityundertheactionofseepagewaterpressure;Testofrockundertheactionofstressandconfinedwatercouplinglawofcrackandconfinedwaterinfiltrationlawofrock.Rockspecimenwaterchemicaldamagecreepmodelisestablished,theporosityandpermeabilitycoefficientofdynamicevolutionmodel.Buildconfinedfissureseepagewaterrockdeformationanddestructionofwaterchemicalcouplingmathematicalmodelofthefinitedifferencemodel,calculationprogramdevelopment,implementationofcomplexdeformationofminingundertheconditionofconfinedwaterrockcrackandconfinedwaterseepagelawofnumericalsimulation,establishingcoalfloorwaterinrushriskpredictionofwarningsystem.Themanagementofresearchbaseofcoalminewaterdisa