2023·12技术应用与研究103ModernChemicalResearch当代化工研究井工煤矿掘进巷道快速过断层技术研究＊赵云阳（晋能控股装备制造集团赵庄二号井山西046605）摘要：针对山西省赵庄二号井2330轨道回风顺槽在掘进作业中突遇DF22正断层，存在较难通过的问题，基于2330工作面工程概况，借助数值模拟分析法，分析了原支护方式下掘进巷道围岩的稳定性，发现若继续用原支护措施来通过DF22断层，掘进巷道围岩支护稳定性较差，存在整体垮落的风险，对此提出了可提前给断层影响区域注浆与采用U型钢来加强围岩支护的措施，通过综合应用这些加固措施后，该工作面实现了以12m/d的速度来快速通过DF22断层，且围岩相对较稳定，没有出现较大变形，取得了较好的应用效果，可为类似工况下掘进工作面安全快速过断层提供参考。关键词：掘进工作面；断层；支护；注浆；效果中图分类号：TD文献标识码：ADOI：10.20087/j.cnki.1672-8114.2023.12.034ResearchonFastFaultPassingTechnologyforTunnelinginUndergroundCoalMineZhaoYunyang(ZhaozhuangNo.2WellofJinnengHoldingsEquipmentManufacturingGroup,Shanxi,046605)Abstract：InresponsetotheproblemofencounteringtheDF22normalfaultduringtheexcavationoperationofthe2330trackreturnairpas-sageofZhaozhuangNo.2wellinShanxiProvince,whichisdifficulttopassthrough,basedontheengineeringoverviewofthe2330workingfaceandusingnumericalsimulationanalysismethod,thestabilityofthesurroundingrockoftheexcavationtunnelundertheoriginalsupportmethodwasana-lyzed.ItwasfoundthatiftheoriginalsupportmeasureswerecontinuedtopassthroughtheDF22fault,thestabilityoftheexcavationtunnelsurround-ingrocksupportwouldbepoor,andtherewasariskofoverallcollapse.MeasureshavebeenproposedtopreinjectgroutintotheaffectedareaofthefaultanduseU-shapedsteeltostrengthenthesurroundingrocksupport.Aftercomprehensiveapplicationofthesereinforcementmeasures,thework-ingfacehasachievedrapidpassagethroughtheDF22faultataspeedof12m/d,andthesurroundingrockisrelativelystablewithoutsignificantde-formation,achievinggoodapplicationresults.Thiscanprovidereferenceforthesafeandrapidpassageoftheexcavationworkingfacethroughthefaultundersimilarworkingconditions.Keywords：excavationface；fault；suppo...
