longwall with top-caving mining 综采放顶煤
longwall mining with caving method 综放采煤法
longwall with top-coal caving 综采放顶煤
longwall mining with sublevel caving 长壁放顶煤采煤法
Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.
通过对山东王村铝土矿采矿方法优化的介绍，提出了一种新的采矿方法——人工顶柱无底柱长壁式崩落法。
Using hydraulic supports in heavy grade longwall face with sublevel caving, anti-topple and antiskid are the key factors.
在大倾角倾斜煤层进行综放开采，支架的防倒、防滑成为决定放顶煤开采成功与否的关键。
The paper introduces the background, the technical difficult, the general design and the operation of technical transformation in Xiagou coal mine with longwall top-coal caving mining.
介绍了下沟煤矿综放技改合作项目的缘由、技术难点与总体技术设计以及项目运作与体会。
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