超高软岩巷道强力支护设计研究

超高软岩巷道强力支护设计研究2014年第8期中州煤炭第224期超高软岩巷道强力支护设计研究王萌，张江利(山西晋煤集团技术研究院有限责任公司，山西晋城048000)摘要：以古书院矿西三盘区水仓超高软岩巷道为研究对象，应用高强度、高刚度、高可靠性与低支护密度的“三高一低”的现代锚杆支护设计理念，对巷道支护材料、支护参数进行合理选择。通过采用高预应力锚杆锚索、注浆、喷浆联合支护方式，达到了有效控制巷道围岩变形、提高围岩完整性和稳定性的目的。关键词：超高软岩巷道；数值模拟；强力支护中图分类号：TD353文献标志码：A文章编号：1003—0506(2014)08—0006—04Research011StrongSupportingDesigninSuper—highSoftRockRoadwayWangMeng，ZhangJiangli(InstituteofTechnology，ShanxiJinchengCoalGroupCo．，Ltd．，Jincheng048000，China)Abstract：Takingsuper—highsoftrockroadwayofwestern3areainGushuyuanMineasanexample，thenewboltsupportingdesigncon—ceptof”threehighandonelow”whichhasthevirtueofincludinghighstrength，highrigidity，highreliabilityandlowdensityhasbeenappliedtomakeareasonablechoiceonsupportingmaterialandsupportingparameters．Throughtheapplicationofcomprehensivesup—portingmethodscombinedwithhighpressureboltandanchor，groutingandguniting，thepurposeofcontrollingroadwaysurroundingrockdeformation，improvingtheintegrityandstabilityofsurroundingrockhavebeenachieved．Keywords：super—high