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1)  fully-mechanized top-coal caving mining
综采放顶煤面
1.
Based on theoretical analysis and numerical simulation, the stability of surrounding rock of roadway driving along next goaf for fully-mechanized top-coal caving mining was studied.
用理论分析和数值计算方法研究了综采放顶煤面沿空巷道的围岩稳定性,分析了影响掘巷位置的几个因素─—老顶岩层垮落特征、直接顶和煤体变形特点及采空侧支承压力分布规律,提出了沿空巷道的合理位置。
2)  fully mechanized top coal caving mining
综采放顶煤
1.
Analysis on coal mining rate of fully mechanized top coal caving mining in Kailuan Mining Area;
开滦矿区综采放顶煤工艺煤炭采出率的分析
2.
In order to study the overburden strata failure law and water conducted fracture zone development law under the condition of the fully mechanized top coal caving mining in Lu \'an Mining Area,three high level survey boreholes in the roof caving zone and the water conducted fracture zone were made in the 6206 fully mechanized top coal caving mining face in Wangzhuang Mine.
为了研究潞安矿区综采放顶煤条件下覆岩破坏规律和导水裂缝带发育规律,在王庄煤矿6206综放工作面施工了3个"两带"高度观测孔,进行了系统的观测研究,取得了冒落带、导水裂缝带发育高度,求取了预测导水裂缝带最大高度的经验公式。
3)  Fully mechanized caving coal
放顶煤综采
4)  Fully mechanized coal caving
综采放顶煤
1.
Research of coupled relation between fully mechanized coal caving mining and outburst;
综采放顶煤与瓦斯突出的耦合关系研究
5)  fully mechanized caving
综采放顶煤
1.
Research on laws of observation of strata pressure in fully mechanized caving working face;
综采放顶煤工作面矿压显现规律研究
2.
The fully mechanized caving mining technology for thick seam is not only favor to have a high production, high efficiency and high benefit from the thick seam mining, but from the practices, would have an obvious results to release gas disaster accident with special measures.
厚煤层综采放顶煤开采技术不仅有利于实现厚煤层开采的高产、高效率、高效益。
6)  fully mechanized sublevel caving
综采放顶煤
1.
By release SF 6 tracer gas,inquired into air leakage regularity in level continuous actual miningoaf with fully mechanized sublevel caving methods,offered foundation for preven table coal spontaneoes combustion in mining distric
通过释放SF6示踪气体,探讨了综采放顶煤阶段连续回采采空区的漏风规律,为预防采空区煤炭自然发火提供依据。
补充资料:煤面
1.煤末。也称煤面子。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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