2) fully mechanized top coal caving face
综采放顶煤工作面
1.
Based on the analysis of surrounding rock movement of an old roof collapsed roadway parallel to a fully mechanized top coal caving face, the new technique of filling this kind of roadway with the material with high water content was put forward.
基于对综采放顶煤工作面高冒空巷围岩活动规律的分析 ,采用高水速凝材料充填高冒空巷 。
3) fully mechanized coal face with top-coal drawing
放顶煤综采工作面
1.
Application of water-spraying dust control technique for the fully mechanized coal face with top-coal drawing;
喷雾降尘技术在放顶煤综采工作面的应用
4) caving-working-face
炮采放顶煤
1.
Research on Law of the Presentation of the Mine Pressure with caving-working-face
炮采放顶煤工作面矿压显现规律研究
5) top-coal caving face
放顶煤工作面
1.
The ZDYJ-ⅡB infrared instrument was used to observe the strata and the strata behavior of C142 top-coal caving face of Ciyaopu No.
为了研究高韧性煤层综采放顶煤工作面的矿压显现规律,采用ZDYJ-ⅡB红外式综采支架压力监测仪,对宁夏磁窑堡二矿C142高韧性煤层综放工作面矿压进行了监测。
2.
The special emphasis is put on studying the changes of caving zone height and rock-fracture zone position in top-coal caving face of the down-seam after excavation of the upper-seam.
根据相似理论,以义马常村煤矿开采条件为地质原型,采用中比例相似材料模型进行重复试验,研究近距离煤层上层煤开采时顶板岩层移动特征,重点研究上层煤采后下层煤放顶煤开采时,垮落带高度和裂隙带层位的变化,揭示了“砌体梁”结构向高层位的发展,以及“岩-矸”类拱结构的存在,说明了放顶煤工作面以静载荷为主、动载系数较小的原因。
6) Caving mining face
放顶煤工作面
1.
Introduces technical parameter,structure characteristic,manufacture and under ground test of SGZ730/110 type conveyor before supports and conveyor behind supports that use in a shortwall all mechanise caving mining face.
详细地介绍了用于短壁综采放顶煤工作面的SGZ730/110型前、后部刮板输送机的主要技术参数、结构特点、制造及井下试验情况。
补充资料：综采放顶煤
综采放顶煤：厚煤层煤炭开采技术之一。把原来分层开采的煤炭，一次采完。方法是，在煤层底部按传统方法开采，使上面的煤炭在矿压的作用下，自动落下来。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条