深部复杂掘进工作面强冲击危险区巷道贯通防冲技术应用分析与研究肖自义1,王永2,耿学升2,赵忠显2(1.国家矿山安全监察局山东局,山东济南,250000;2.山东李楼煤业有限公司,山东菏泽,274700)摘要:针对李楼煤业1306工作面轨道顺槽贯通点埋深达到921m的高地应力特点,综合微震、钻屑等监测数据,对巷道贯通期间煤体应力变化规律进行了分析研究,对防冲技术措施应用效果进行了检验分析。研究表明:1306工作面轨道顺槽在距离贯通点80m以后开始受巷道贯通影响,迎头区域煤体应力开始增高;距贯通剩余40m以后,煤体应力受巷道贯通影响明显,贯通区域煤体应力急剧升高,冲击危险程度增大;通过强断顶、强卸压、二次卸压的技术措施实施,能够有效释放煤体积聚的应力,减低贯通区域煤体应力,保证巷道安全平稳贯通。关键词:冲击地压;微震监测;钻屑监测中图分类号:TD324文献标志码:A文章编号:1009-0797(2023)02-0034-07ApplicationanalysisandresearchonthetechnologyofpreventingandcontrollingrockburstindeepcomplexheadingfaceXIAOZiyi1,WANGYong2,GENGXuesheng2,ZHAOZhongxian2(1.ShanDongBureauoftheNationalMineSafetyAdministration,Jinan250000,China;2.ShandongLilouCoalIndustryCo.,Ltd,Heze274700,China)Abstract:Inviewofthecharacteristicsofhighgroundstressofthe1306trackslotpenetrationpointofLilouCoalIndustry,whichhasaburieddepthof921m,Basedonthemonitoringdatasuchasmicroseismanddrillingcuttings,thechangeruleofcoalbodystressduringthetunnelrunningthroughisanalyzed,andtheapplicationeffectofantiscourtechnicalmeasuresistestedandanalyzed.Researchshows:The1306trackgatewayisaffectedbythebreakthrough80mfromthebreakthroughpoint,andthestressofthecoalbodyinthehead-onareastartstoincrease;After40mfromtheremainingpartofthepenetration,thestressofthecoalbodyisobviouslyaffectedbytheroadwaypenetration,thestressofthecoalbodyinthepenetrationarearisessharply,andthedegreeofimpactriskincreases;Theimplementationoftechnicalmeasuresforstrongroofbreaking,strongpressurereliefandsecondarypressurerelief,Itcaneffectivelyreleasethestressaccumulatedinthecoalbody,reducethestressofthecoalbodyinthethrougharea,andensurethesafeandstablethroughoftheroadway.KeyWord:roc...