煤系地层与滑坡倾向相同条件下开采对滑坡扰动的影响

    Influence of Mining on Landslide Disturbance Under the Same Inclination of Coal Measure Strata and Landslide

    • 摘要: 采用相似材料模拟实验方法,研究煤系地层的倾向与黄土滑坡的倾向相同条件下,模拟含煤岩系倾角30°时的煤层井工开采,得出上覆岩层最大冒落带高度为28.0 m,最大断裂带发育高度为76.0 m。当工作面推进100 m时黄土滑坡处于临界失稳状态。离散元数值模拟结果验证了相似材料模拟实验的可靠性。

       

      Abstract: We use similar material simulation experiment method to study coal seam mining of coal-bearing rock series angle of 30 ° under the same inclination of coal measure strata and landslide, and get the maximum caving height of overlying rock is 28.0 m and the maximum crack height of overlying strata is 76.0 m. When the working face advanced a total of 100 meters, the loess landslide was in a state of critical instability. The results of discrete element numerical simulation are in agreement with the experimental results of similar material simulation.

       

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