There are some questions exist in top-coal caving face like gas accumulation and high cost for treatment.
煤矿井下综放采煤工作面存在瓦斯积聚、治理费用昂贵问题。
With the optimized design, the short-wall top-coal caving face of the mines in Xinjiang Mining Group Co. , Ltd. , increase more or gain good profits.
经过优化的三机配套方案后，新矿集团的各生产矿井的短壁综放工作面均实现了高产，取得了较好的经济效益。
The paper introduces type choose and working resistance determining of powered support and its application in longwall with top-coal caving face of xiagou mine.
介绍了下沟煤矿综放开采支架选型与工作阻力的确定以及支架的适应性。
Stability control of the head faces top-coal is one of the key techniques of realizing high production and high efficiency to coal mining in fully mechanized top-coal caving face.
大倾角松软煤层综放面实现高产高效的关键之一是端面顶煤稳定性控制。
In the light of analogue test in laboratory, the stability of roof of fully mechanized working face with top coal caving is studied during withdrawing support at stop line.
通过实验室相似模拟试验，对综放面收尾撤架空间的顶板稳定性进行了研究。
In early application of fully mechanized top coal mining, Spontaneous fire took place when the backout of fully mechanized top coal caving face was stopped mining.
在应用综放开采的初期，每当综放工作面停采回撤时，就会发生自燃发火。
Based on the successful application of gob-side entry retaining at longwall top coal caving face, a new way for realizing intensive and high efficiency is put forward in thick seams.
综放沿空留巷技术研究成果的成功应用为综放工作面实现集约化高效生产开拓了新路。
This paper introduces the base demand of back and forth conveyors in fully mechanized top coal caving work face, and introduces how to decide involved size;
介绍了在综采放顶煤工艺条件下，对工作面前、后部输送机的基本要求与有关配套尺寸的确定方法；
It was succeeded in practical application. It is an useful exploration for the roadway stability control of fully-mechanized top-coal caving long-wall face in soft and thick coal seam.
并成功进行了实践应用，为进一步完善松软厚煤层长壁综放工作面顺槽稳定性控制理论技术体系进行了有益探索。
Lengthening the width of isolated fully mechanized top coal caving face would reduce the abutment pressures for both wide and small coal pillars, and the coal pillar width could be reduced.
加长孤岛综放工作面长度，护巷大煤柱和小煤柱的支承压力均减小，可以减小护巷煤柱宽度。
The design of South Tsui million tons of coal mines with an annual output of 0.743 fully mechanized top coal caving mining face design.
现设计南家咀煤矿年产0.743百万吨煤综采放顶煤回采工作面设计。
By reading large relative data, combining actual measurement in Gengcun mine, Yima, and consulting observation of other top coal caving face, authors discussed distortion and rupture...
通过阅读大量有关资料，结合义马耿村煤矿的现场实测，并参考其他放顶煤工作面的观测成果，探讨了综放开采顶煤变形及破断规律。
By reading large relative data, combining actual measurement in Gengcun mine, Yima, and consulting observation of other top coal caving face, authors discussed distortion and rupture...
通过阅读大量有关资料，结合义马耿村煤矿的现场实测，并参考其他放顶煤工作面的观测成果，探讨了综放开采顶煤变形及破断规律。
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