In mining engineering, strata models are often simulated by similar material simulation model, rock bending deformation and fracture damage is the serious problem.
而在采矿工程中，相似材料模拟的往往是层状模型，岩层的弯曲变形和断裂破坏是关键问题。
The damage of ground environment should be limited to the acceptable degree based on the bearing capacity of geological environment by restricting coal mining.
通过优化开采设计，把开采强度限制在煤矿区地质环境可以承受的范围之内。
The main factors effecting of slipping area along the bed rock and roof separation and failure area and the major avenue of damage surrounding rock caused by mining are analyzed in this paper.
分析了影响沿底座滑区和顶板离层破坏区破坏的主要因素及其采动损害传递的主途径。
The roadway has been used for three years. Through being effect by three times of mining, but it has no obvious damage. This proves the reasonability of the design.
该巷应用3年多来，虽3次遭受超前压力的影响，但没有明显的矿山压力显现，从而证明这种支护设计的合理性。
By using this method, the damage of surface gas drainage holes caused by induced excessive mining displacement can be effectively reduced if not being avoided.
采用提出的计算方法可避免由于受采动影响对地表瓦斯抽放钻孔引起的过大变形及其所造成的破坏。
By using this method, the damage of surface gas drainage holes caused by induced excessive mining displacement can be effectively reduced if not being avoided.
采用提出的计算方法可避免由于受采动影响对地表瓦斯抽放钻孔引起的过大变形及其所造成的破坏。
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