第46卷第7期2023年7月采矿与井巷工程补强锚索在综放工作面回采巷道超前支护方式中的应用煤炭与化工CoalandChemicalIndustryVol.46No.7Jul.2023吴彬(山西晋城煤业集团勘察设计院有限公司,山西晋城048006)摘要:回采工作面巷道超前支护段在高应力作用下容易发生变形破坏,其围岩的稳定性对工作面正常通风、运输、行人具有重要意义。随着装备技术水平的提高,回采巷道超前支护区域常采用液压支架进行加强支护,由于超前液压支架随着工作面推进需要频繁“升-降”支架,在破碎巷道顶板中容易加剧顶板破碎程度,严重影响支护效果。本文提出补强锚索支护方式代替超前液压支架,采用理论计算结合FLAC3D数值模拟的方式对补强锚索支护参数进行确定,并在红岭煤矿1505工作面回风巷超前支护段进行应用,保证了1505工作面安全回采。该技术为同类地质条件的综放工作面超前支护方式研究提供借鉴。关键词:补强锚索;数值模拟;综放工作面;超前支护中图分类号:TD353文献标识码:B文章编号:2095-5979(2023)07-0038-06ApplicationofreinforcementanchorcableinadvancesupportmodeofminingroadwayinfullymechanizedcavingfaceWuBin(SurveyandDesignInstituteCo.,Ltd.OfShanxiJinchengCoalIndustryGroup,Jincheng048006,China)Abstract:Theadvancedsupportsectionoftheminingroadwayispronetodeformationanddamageunderhighstress,andthestabilityofsurroundingrockisofgreatsignificancefornormalventilation,transportation,andpedestriansintheworkingface,Withtheimprovementofequipmenttechnologylevel,hydraulicsupportsareoftenusedtostrengthenthesupportintheadvancedsupportareaofminingtunnels.Duetothefrequent"upanddown"supportrequiredbytheadvancedhydraulicsupportsastheworkingfaceadvances,itiseasytoexacerbatethedegreeofrooffragmentationinthebrokenroadwayroof,seriouslyaffectingthesupporteffect.Thisarticleproposedthereplacementofadvancedhydraulicsupportwithreinforcedanchorcablesupportmethod.TheparametersofreinforcedanchorcablesupportweredeterminedbytheoreticalcalculationcombinedwithFLAC3Dnumericalsimulation,andappliedintheadvancedsupportsectionofthereturnairroadwayinNo.1505Face,ensuringthesafeminingofthe1505workingface.Italsoprovidedreferenceforthestudyofadvancedsupportmethodsinfullymechanize...