金家庄煤矿4#煤层11盘区大巷锚杆支护参数选定分析
Selected analysis of parameters of main roadway bolt supporting in 11th panel No.4 coal seam in Jinjiazhuang coal mine
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摘要: 本文以煤矿巷道围岩锚杆强度强化理论为依据,分析金家庄煤矿11盘区4#煤层的围岩地质条件为基础,通过数学模型的建立,确定锚杆的一般参数以及支柱的其他参数,最后进行了锚杆支护效果检验,得出不存在偏帮现象,支护成功。Abstract: According to the theory of strength enhancement for the rocks surrounding roadway supported by bolt,the authors introduce the geological conditions of surrounding rocks,and who build the mathematic model to define the general parameters and other parameters of bolt supporting.In the end,the authors tested the effects of bolt supporting,and have made the conclusions what were successful by bolt supporting.
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