陷落柱對巷道掘進影響的數(shù)值模擬及防治對策研究
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中圖分類號：TD323 文獻(xiàn)標(biāo)志碼：A 文章編號：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
礦井開采時，陷落柱是常見的構(gòu)造類型之一。（剩余4814字）