总第807期第13期2023年7月河南科技HenanScienceandTechnology矿业与水利工程收稿日期:2023-02-11作者简介:季忠伟(1994—),男,本科,助理工程师,研究方向:巷道围岩控制。8105工作面切顶卸压沿空留巷围岩控制技术研究季忠伟(河南明德矿山技术开发有限公司,河南焦作454000)摘要:【目的目的】为节约煤炭资源,缓解矿井采掘接替紧张,需对采掘技术进行研究。【方法方法】以8105厚煤层综采工作面为背景,实施无煤柱切顶卸压沿空留巷技术,根据现场地质条件,制定“切、补、护、支”、沿空留巷成套围岩控制方案。【结果结果】现场留巷段实测结果表明,顶板切顶后配合补强支护措施,留巷段顶底板位移量为750mm,两帮位移量为794mm,留巷断面尺寸满足使用要求。【结论】切顶卸压沿空留巷围岩控制技术在8105工作面的成功应用,为矿井后续工作面实施无煤柱衔接布置提供了技术指导,为其他相似地质条件下推广切顶卸压沿空留巷技术提供了一定的借鉴。关键词:顶板;沿空留巷;切顶卸压;围岩控制中图分类号:TD353文献标志码:A文章编号:1003-5168(2023)13-0052-06DOI:10.19968/j.cnki.hnkj.1003-5168.2023.13.010StudyonSurroundingRockControlTechnologyofGob-SideEntryRetainingbyRootCuttingandPressureRelietin8105WorkingFaceJIZhongwei(HenanMingdeMiningTechnologyDevelopmentCo.,Ltd.,Jiaozuo454000,China)Abstract:[Purposes]Inordertosavecoalresourcesandalleviateminingandexcavationsuccessionten⁃sioninmines,itisnecessarytostudyminingtechnology.[Methods]Takingthefullymechanizedminingfaceof8105thickcoalseamasthebackground,thetechnologyofgob-sideentryretainingwithoutcoalpillarroofcuttingandpressurereliefisimplemented.Accordingtothegeologicalconditionsonsite,acompletesetofsurroundingrockcontrolschemeof'cutting,filling,protecting,supporting'andgob-sideentryretainingisformulated.[Findings]Themeasuredresultsoftheon-siteentryretainingsectionshowthatthedisplacementoftheroofandflooroftheentryretainingsectionis750mm,andthedis⁃placementofthetwosidesis794mm,andthesizeoftheentryretainingsectionmeetstherequirements.[Conclusions]Thesuccessfulapplicationofsurroundingrockcontroltechnologyofroofcuttingandpres⁃surereliefgob-sideentryretainingin8105workingfaceprovidestechn...