Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine, inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法，实践表明，该法存在人工劳动强度大、矿石贫化率高等缺点。
Through the numerical analysis, the change mechanism of the slope stress in the mining of the residual ore-body is investigated and the slope stability is analyzed.
通过数值模拟计算，研究了驻留矿体开采边坡岩体的应力变化机理，分析了边坡稳定性情况。
Through the numerical analysis, the change mechanism of the slope stress in the mining of the residual ore-body is investigated and the slope stability is analyzed.
通过数值模拟计算，研究了驻留矿体开采边坡岩体的应力变化机理，分析了边坡稳定性情况。
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