... opencast mining machinery 露天采矿机械 opencast mining method 露天开采法 opening 开拓巷道 ...
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With the finite element method of material description, the rock mass in underground and opencast united mining engineering was simulated and analyzed.
采用物质描述增量有限元方法，对露天与地下联合开采工程岩体进行了数值模拟分析。
Based on geological model of deposits and by means of CAD method, the authors put forward the building method of layered opencast mining geological model, whose layers are composed of bench.
本文提出了在矿床地质模型的基础上，应用CAD技术。建立以台阶为单元的分层式矿床开采地质模型的方法。
A new method to calculate the lateral pressure and horizontal crustal stress of the slope in opencast mining has been giv...
提出了露天矿边坡侧压力及水平地应力计算的新方法，找出了露天矿边坡水平地应力的竖向分布规律。
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