新城金矿采场锚喷支护稳定性分析
STABILITY OF WORKING STOPES WITH BOLTING AND SHOTCRETE LINING IN JINCHENG GOLD ORE MINE
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摘要: 根据新城金矿锚喷支护顶板受剪切、压缩破坏特点,建立了顶板稳定性分析模型,并结合该矿1409采场具体工程条件进行了验证计算,结果表明锚喷支护采场顶板是安全可靠的。Abstract: According to status of roof with bolting and shotcrete lining bearing shear force and press force,a model for analysing the stability of roof is established.Using this model,the geological conditions of No 1409 working stope are calculated.Results of calculation show the roof with bolting and shotcrete lining is of good safety and reliability.
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