The horizontal section top coal caving in steep seam is different from the gently inclined seam.
急斜煤层水平分段放顶煤开采与缓斜煤层不同，工作面沿煤层厚度的水平线布置，长度短。
The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.
运用相似材料模拟和数值计算的方法，对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。
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。
In order to ensure safety and top coal caving in time, the measures of pre-blasting or water pre-infusion to weaken top coal should be adopted.
为确保安全和顶煤及时垮落，应实施预爆破或预注水弱化顶煤措施。
A high or low coal recovery rate of the top coal caving mining is related to the key technology of the coal mining method to be widely applied.
放顶煤开采煤炭回收率的高低是关系到能否推广这种采煤方法的关键技术。
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；
Base on the site observation and experimental research, the paper studied the top coal structure for the top coal caving mining in steep inclined seam sections.
在现场观测及实验研究基础上，对急倾斜水平分段放顶煤开采过程中顶煤体结构进行了研究。
The following research results are obtained: the top coal caving technique and increasing the resistance of the support can reduce the pressure on the coal wall.
研究表明：放顶煤开采、提高支架工作阻力可以减缓煤壁压力，煤体合理注水可以提高煤体黏聚力与抗剪强度，它们是防治极软煤层煤壁片帮的有效措施。
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。
A numerical example shows that this method is effective and easily to come into use in the fields of top coal caving mining and coal mining under water bodies in future.
算例的计算结果表明，该方法简单、快速，有望在放顶煤开采和水体下采煤中得到应用。
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。
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。
On the basis of summarizing testing effects, the extension of crack and the breaking mechanism of top coal caving in steep seam have been analyzed by applying fracture mechanics theory.
在总结现场试验效果的基础上，应用断裂力学理论分析了急倾斜煤层巷道放顶煤顶煤破断裂纹的扩展和破碎机理。
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。
Simulation testing and theoretical analysis were made to study generating mechanics and moving evolutionary process of "granular arch" structure of upper immediate roof in top coal caving.
通过相似模拟实验和理论分析，研究了综放条件下上位直接顶“散体拱”结构的形成机理和移动演化过程。
During the fully mechanized top coal caving mining under the water bodies, the given calculation formula could be applied to calculate the Max height of the water conducted fractured zone.
在进行水体下综采放顶煤开采时，可利用给出的计算公式进行导水裂缝带最大高度的计算。
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 paper studied the gateway layout, the sectional top coal height and the coal mining technology of the coal mining method. Then the gateway and pillar top coal caving technology was developed.
对该采煤方法的巷道布置、阶段顶煤高度以及回采工艺进行了研究，形成了巷柱式放顶煤开采技术。
And study the classification system application in diagnosing the caving and drawing characteristics of top-coal, choosing support and designing drawing mechanism.
同时研究本分类系统软件在综采放顶煤工作面顶煤的可放性诊断、支架选型和放煤机构设计中的应用。
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。
It is proven that the technique of the top-caving with vibration can easily destroy the arch structure, resulted in improving the top coal recovery ratio.
验证了振动放顶煤技术原理及其机构的可行性，证明了采用振动放顶煤技术可有效地提高顶煤采出率和降低混矸率。
Combined with coal characteristics in goaf of fully mechanized top-coal caving, determinant criteria and methods of hazard zone in goaf are determined by theory of coal spontaneous combustion zone.
本论文结合综放面采空区浮煤自然发火的特点，运用煤自燃危险区域判定理论，确定了采空区自燃危险区域的判定条件和方法步骤。
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。
There are strict regulations in top-coal caving mining with hazard of coal and gas outburst. The main reason is the problem of safety.
煤与瓦斯突出危险煤层的放顶煤开采有严格的法规限制，限制主要是从安全上考虑的。
Through numerical simulation and analysis, the top coal movement and stress distribution in mechanized top caving mining of thick coal seam is revealed.
通过数值模拟分析，提示了厚煤层综放开采时顶煤运移和应力分布规律。
Based on in situ measurement with sub-level caving mining, the characteristics of top-coal deformation and top-coal deformation vs abutment pressure are mainly discussed.
以放顶煤开采现场实测为基础，着重探讨了顶煤的变形特征、顶煤变形与支承压力的关系；
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。
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。
The main factors influencing gas gush in full mechanized longwalles top caving in Yangquan coal ming area are analyzed in greater detail, and the appropriate measures of gas control are proposed.
对阳泉矿区影响综放工作面瓦斯涌出的主要因素作了详细分析，并据此提出了相应的瓦斯治理手段。
All these study achievements will provide a theoretical foundation for improving the micro-environment of fully-mechanized top-coal caving and enhancing the human operating reliability.
研究取得的成果为改善井下综采工作面微气候，提高工人操作可靠性提出了理论依据。
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