长壁工作面 longwall face 分为:走向长壁工作面采煤方法;倾向长壁采煤方法 开采一大块煤,它的每一个边都像一面墙壁一样,就是壁式。剩下的就是看哪个边长,走向长就叫走向长壁,工作面一般布置在短边,沿走向方向推进。
中国煤层气 CHINA COALBED METHANE 关键词:瓦斯 长壁工作面 抽采 [gap=423]Keywords: Gas;longwall face;extraction
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... 长壁采矿法 longwall system 长壁工作面 coal wall 长壁煤柱回采工艺 longwall pillar working ...
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...;长壁工作面;顶板控制;地面充填系统;薄板理论 [gap=1377]Keywords : superhigh- water material;longwall working face;roof control;surface filling system;thin plate theory ..
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乔伊长壁工作面装载机 [矿业] Joy longwall loading machine
长壁工作面用截煤机 longwall undercutter
长壁工作面截煤机 longwall coal cutter
走向长壁工作面 longwall face along strike
长壁综采工作面 long-wall combined-mining face
在长壁工作面通过的过程中,地面垂直钻孔可能随岩层移动而发生破坏。
During overlying rock strata being fractured, the surface gas drainage boreholes may be damaged due to ground movement.
神华集团神东矿区哈拉沟煤矿在长壁工作面回风巷中采用了一种新型自移式超前支护支架组。
A new type self-walking advance timbering support set is adopted in longwall coal mining face of Halagou coal Mine, Shendong coal District by Shenhua Group co.
针对长壁工作面顶板垮落具有局部、分段、迁移的时空特征,将长壁工作面采场顶板划分成若干个相互铰接的薄板,建立了薄板组力学模型。
Based on the local, migratory and subsection characteristics of main roof fall of longwall face, the main roof was divided into some plate group, and plate group mechanical model was established.
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