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The Laboratory Studies of Slope Stability in Luming Molybdenum Mine West-I District

机译:芦明钼矿西一区边坡稳定性试验研究

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Slope height gradually increased with the increase of mining depth. While the probability of slope instability and the difficulty of preventing a growing stope from destruction give mine a huge security risk and economic losses. By means of the slope simulation experiments we can directly observe and record the deformation, damage evolution of the object and each stage of the deformation of the stress can be obtained in stress analysis. Analyzing the stability of slope in 2-2 profile of Luming molybdenum West-I district by a similar simulation has these advantages: intuitive, clear, short test cycle and low-cost. And some important factors hard to be considered in calculating mathematical analysis can be considered. First, get the ratio number of each simulation stratified by similar material ratio test. Followed by the establishment of a similar model and simulating the excavation process, directly observing and recording the displacement of test model with every step of the slope excavation as well as the stress changes of strain gauges. Through the analysis of experimental data, a conclusion is drawn: stress concentration is most likely to occur in 180-meter platform and 240-meter platform located in F3 and F4 fault. And they should be a priority in slope monitoring and reinforcement of governance. The study plays a role to protect the safety of Luming molybdenum production.
机译:边坡高度随着开采深度的增加而逐渐增加。边坡失稳的可能性和防止生长中的采场受到破坏的困难给我带来了巨大的安全风险和经济损失。通过边坡模拟实验,我们可以直接观察并记录变形,在应力分析中可以获得物体的损伤演化以及应力变形的各个阶段。通过类似的模拟分析鹿鸣钼一区2-2剖面的边坡稳定性具有以下优点:直观,清晰,测试周期短和成本低。并且可以考虑一些在计算数学分析中难以考虑的重要因素。首先,通过相似的材料比率测试获得分层的每个模拟的比率数。建立相似的模型并模拟开挖过程,直接观察和记录边坡开挖每一步的试验模型位移以及应变仪的应力变化。通过对实验数据的分析得出结论:应力集中最有可能发生在F3和F4断层的180米平台和240米平台上。在斜坡监测和加强治理方面,它们应该成为优先事项。该研究在保护鹿鸣钼生产的安全中起着重要作用。

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