2) stope cave-in
采场冒落
3) stope roof
采场顶板
1.
Discussion on the declination mechanism and the control technology of stope roof;
采场顶板冒落机理及控顶技术探讨
2.
Some experiences on stope roof management in metal underground mine are introduced.
介绍金属地下矿山采场顶板管理的几点经验。
3.
Collapse of stope roof, is one of disasters occuring at underground mines.
矿山采场顶板冒落是地下矿山开采中常见的灾害。
4) Stope roof support
采场护顶
6) roof falling
冒顶
1.
The preventive measures of roof falling under ground production in coal mine;
煤矿井下生产中冒顶事故的预防措施
2.
Aimming at the roof falling accident in 2209 fully mechanized working face of Chensilou Coal Mine of Yongcheng Coal Industry Group,the authors have chosen the technology of injecting chemical reinforcing grout to strength the roof and ambient coal body.
针对永煤集团陈四楼煤矿2209综采工作面出现的冒顶事故,采用化学注浆加固技术对工作面冒落区及煤壁进行了注浆加固。
补充资料：冒顶
①地下开采中，上部矿岩层自然塌落的现象。是由于开采后，原先平衡的矿山压力遭到破坏而造成的。采煤工作中有时有计划地放落上部煤层，也称为“冒顶”。②冒名顶替：哥哥冒顶弟弟应考。
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