162023年第8期收稿日期2022-06-04作者简介李争杰(1996—),男,山西阳泉人,2020年毕业于山西能源学院采矿工程专业,本科,助理工程师,现从事采掘技术员工作。贺西煤矿柔膜混凝土充填沿空留巷支护技术应用李争杰1王亚非2(1.华阳集团新景公司,山西阳泉045000;2.山西汾西矿业集团贺西煤矿,山西吕梁033300)摘要贺西煤矿为提高煤炭回收率、降低巷道开掘成本,以3412工作面运输巷为工程背景,提出了柔膜混凝土充填沿空留巷方案,开发了柔膜混凝土充填沿空留巷支护技术,对3412工作面运输巷顶板和回采侧巷帮采用高预应力锚(网)索加强支护,采空区侧巷旁采用柔膜混凝土充填墙体+预留高强锚栓加强支护,巷内采用高阻力单体支柱进行临时加强支护。技术应用后,实现了3412工作面运输巷留巷围岩的稳定控制。关键词采煤;沿空;留巷;支护中图分类号TD353文献标识码Bdoi:10.3969/j.issn.1005-2801.2023.08.006ApplicationofFlexibleMembraneConcreteFillingandRetainingRoadwayAlongGoafSupportTechnologyinHexiCoalMineLiZhengjie1WangYafei2(1.HuayangGroupXinjingCompany,ShanxiYangquan045000;2.ShanxiFenxiMiningIndustryGroupHexiCoalMine,ShanxiLüliang033300)Abstract:Inordertoimprovecoalrecoveryrateandreduceroadwayexcavationcosts,HexiCoalMineproposedaflexiblemembraneconcretefillingandretainingroadwayalonggoafschemebasedonthetransportationroadwayofthe3412workingfaceastheengineeringbackground.Theflexiblemembraneconcretefillingandretainingroadwayalonggoafsupporttechnologyisdeveloped.Highprestressedanchor(mesh)cablesareusedtostrengthenthesupportfortheroofofthetransportationroadwayandtheminingsideroadwayofthe3412workingface.Besidethesideroadwayofthegoaf,flexiblemembraneconcretefillingwall+reservedhigh-strengthanchorboltreinforcementsupportisadopted,highresistanceindividualpillarsareusedintheroadwayfortemporaryreinforcementsupport.Aftertheapplicationofthetechnology,stablecontrolofthesurroundingrockofthetransportationroadwayinthe3412workingfaceisachieved.Keywords:coalmining;alonggoaf;retainroadway;support李争杰等:贺西煤矿柔膜混凝土充填沿空留巷支护技术应用沿空留巷具有降低掘巷成本、提高煤炭回收率的优点。沿空留巷一侧为上邻近工作面采空区,一般采用高水材料...