1) Ending in broken roof zone
顶板破碎带收尾
2) broken roof
破碎顶板
1.
Prevention and control technology for spalling and failing of high inclined broken roof in fully mechanized mining face;
综采工作面大倾角破碎顶板片帮冒顶防治技术
2.
Research on broken roof consolidation technology in coal ming face;
采煤工作面破碎顶板加固技术研究
3.
Mechanism and project practices on broken roof control with wood bolt in fully mechanized coal mining face;
木锚杆控制综采面破碎顶板的机理及工程实践
3) roof broken
顶板破碎
1.
Cause analysis on roof broken in mine gateway retained for next sublevel in Xinghua Mine as well as prevention and control;
杏花煤矿沿空留巷顶板破碎原因分析及其防治
4) friable roof
破碎顶板
1.
Application of supporting technology combination of anchor cable and bolt in friable roof support;
锚索锚杆联合支护在破碎顶板中的应用
2.
Drecting to the difficult controlling problem of friable roof in blasting coal face near the gob area and based on the conventional longwall mining method, Sihuaishu Coal Mine succeeded in the extraction of No.
针对极近采空区下炮采工作面破碎顶板难控制问题 ,新泰市四槐树煤矿在普通长避开采布置的基础上 ,采用“弓形”推进回采工艺 ,成功地对采用普通长壁回采工艺难以开采的极近采空区下的 16层煤进行了回采 ,取得了较好的技术、经济和社会效益 ,为类似破碎顶板炮采工作面的开采提供了一条新途径。
6) broken rock roof
破碎岩石顶板
1.
According to the actual situation of the applying of anchor wire support in Xin Zhouyao Coal Mine, this article introduces how to put it into practical use under the conditions of coal seam roof and broken rock roof, and analyses its supporting and economy effect.
根据大同煤矿集团公司忻州窑矿应用锚索支护的实际情况,介绍了锚索支护在煤层顶板或破碎岩石顶板条件下的具体应用,分析了锚索支护在实际应用中的支护效果和经济效果,展望了锚索支护的推广应用前景。
补充资料：收尾
1.煞尾;结束。
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