【作者】 张淑玲；

【导师】 崔洪庆；

【作者基本信息】 辽宁工程技术大学 ， 地质工程， 2008， 硕士

【摘要】 露天采矿工程中的高边坡稳定性受到许多因素的干扰与控制,其中包括地形条件,气象、水文条件,地层岩性条件,地质构造条件等。尤其是露天矿的逐步开采剥离过程使原有边坡的动态平衡条件发生了改变,很可能导致边坡的滑塌失稳。本文以伊敏露天矿东南帮的地质环境条件为基础,以滑坡稳定性影响因素和变形破坏特征分析为辅助,应用FLAC分析软件对该边坡的稳定性防治措施进行了深入研究。研究认为,该边坡在未开挖之前处于非常稳定的状态,但随着开挖的逐步进行,坡体会逐渐产生位移,为避免由于煤层盲目开采而导致的不可预测的边坡失稳事故,在数值模拟的基础上提出相应的开采方案。更多还原

【Abstract】 In open pit mining project the stability of high slope is affected and controlled by many factors, such as topography, meteorology, hydrology, stratum lithology and geological structure conditions. Especially in the step-by-step process of mining and stripping the balance condition of the original slope is changed, which maybe lead to collapse and instability. This study was based on the geological circumstance condition of southeast side in YiMin open pit mine, as well as analyzing influencing factors of the slope stability and the character of deformation and failure, and then used FLAC software to research the prevention measures of this slope stability. This study concluded that the slope was stable before excavation, but in pace with excavating, the slope would gradually generate displacement. In order to avoid Unpredictable slope instability caused by blind exploitation, this study had came up with the relevant project on the foundation of numerical simulation.更多还原