斷層封閉能力評(píng)價(jià)及其對(duì)煤層瓦斯賦存的影響

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中圖分類號(hào):TD712 文獻(xiàn)標(biāo)志碼:A 文章編號(hào):2095-2945(2025)20-0021-09
Abstract:Inordertostudythesealingabilityoffaultstocoalseamgasanddeeplyunderstandtherelationshipbetween faultsandcoal seamgasstorage,onthe basisofsummarizing the faultsealing mechanismproposedbypredecesors,a quantitativeevaluationmethodoffaultsealingabilityisproposedfromtheperspectivesofinteralstructureoffaultzoneand stressstateof section.Basedonengineering examples,theinfluenceoffaultsealingabilityongasocurrenceincoalmining faceisanalyzed.Theresearchshowsthatthefaultsealinghasacontrollingefectonthestorageandmigrationofcoal seam gas.Thegasemissonincreasedsignificantlyduringtheroadwayexcavationthroughtheclosedfault,andthegasemissionduring theopenfaultwassignificantlylowerthanthenormallevel.Thestudyoffaultsealingcapacityisofgreatsignificancefordeply understandingtheoccurenceandmigrationlawsofcoal seamgasandrefinedgasmanagementinfaultareas,andreducing the frequency of gas dynamic disasters.
Keywords:faultsealingablit;evaluationmethod;coalseamgasoccurrencelaw;gasdisasterpreventionandcontrol;faultstre
斷層是煤礦采掘工作面揭露過程中最常見的地質(zhì)構(gòu)造之一。(剩余10736字)