论述了在复杂地质条件地块(如冲击地压、小断层、受下伏煤层采动影响)采用放顶煤工艺的成功实践。
This paper illustrates the successful practice of using caving coal process in complex geological conditions, such asi impact groud pressure, small fault, mining influence.
针对露天煤矿复杂煤层的地质条件，全面分析了传统的露天采矿设备、工艺形式的特点和在复杂煤层开采中存在的问题。
This article gives a detailed analysis of the characteristics of conventional surface mining equipment and techniques as well as problems arising from mining in coal seams with difficult conditions.
复杂地质条件下煤层受层间滑动作用容易发生流变。
Under complex geological conditions, rheology of coal seams may easily cause interlayer-gliding of coal seams.
单侯矿井水文地质条件比较复杂，下部煤层受奥灰水威胁，薄隔水层带压开采问题非常突出。
The hydrogeologic condition of Danhou mine is complex, and the sublevel coal is threatened by O. L. water. It is very difficult that thin confining bed coal is mined under pressure.
单侯矿井水文地质条件比较复杂，下部煤层受奥灰水威胁，薄隔水层带压开采问题非常突出。
The hydrogeologic condition of Danhou mine is complex, and the sublevel coal is threatened by O. L. water. It is very difficult that thin confining bed coal is mined under pressure.
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