陷落柱对巷道掘进影响的数值模拟及防治对策研究

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中图分类号：TD323 文献标志码：A 文章编号：2095-2945（2025）20-0153-05

Abstract：Collapsecolumnsareundergroundthree-dimensionalcollpseareasformedbykarstormining.Duringmine mining，clapsedcolumnsposeagreatthreattoproductionsafetyandseriouslyafecttheminingprogress.Inorderto understandtheimpactofthecollpsecolumnonthetunnel，anumericalmodelwasestablishedusingFLAC3Dnumerical simulationsoftwaretostudythedisributionandchangelawsoftheunnelsuroundingrockstress，tunneldeformationandplastic zoneduring theprocessofamine tunnelpassingthroughtheSX12collpsecolumn，anddeterminethescopeoftheimpactof thecollapsecolumnon tunnelexcavation.Thegeologicalrisksthatthemainroadwaymayfacewhenpassng through the SX12 collpsecolumnareanalyzed，andcorrespondingpreventionandcontrolmeasuresareformulatedtoensurethesafepaageof themairoadwaythroughthecolapsecolumnarea.Thisstudyplaysademonstrationroleinpreventingandcontroling the adverse effects of collapse columns on tunnel excavation.

Keywords：collapse column;excavation;numerical simulation；prevention measure;tunnel deformation

矿井开采时，陷落柱是常见的构造类型之一。（剩余4814字）