论证了急倾斜厚(特厚)煤层伪斜上山保护煤柱回收的可行性。
The feasibility of the protective coal pillar mining in the artificial inclined steep drift in the thick (ultra thick) coal seam of a large slope is discussed.
煤柱回收采用深孔爆破的方法落煤，减少工人在工作面打眼的危险。
The method of coal cutting adopts deep-hole blasting and realizes no people in the face, this decreases risk when workers are working in the face.
采区进入收作阶段，最后块段与上山煤柱回收的优化设计、合理开采尤为重要。
When the mining area enter the end stage, the optimization design of final block section and uphill pillar recovery are important.
如何安全回收采区上下山孤岛煤柱，提高矿井资源采出量，是矿井生产中遇到的难题之一。
It is one of challenges in the mining production to recover these coal pillars in order to increase the yield.
从而提出石圪节煤矿残留煤柱顶板岩层具有明显的薄板特征、波动特征的基本顶载荷是支架选型的关键因素及综采回收矿井残留煤柱支架选型的依据。
Thereby it can be seen that the load of Shi ge-jie mine coal pillar roof with sheet character and fluctuate character are the key factors of support selecting.
通过攻关，解决了综采工艺回收盘区煤柱的技术难题，经过在开采过程中的应用，效果良好。
Through surmounting solves the technology knotty problem of retrieving coal column of mining area with the system mechanization mining technique. By application in mining process the effect is better.
为煤炭企业冲击矿压矿井回收盘区煤柱提供了经验，具有推广价值。
For retrieving coal column of mining area in the mine of impact pressure in the coal enterprise offers the experience, takes on popularity value.
为煤炭企业冲击矿压矿井回收盘区煤柱提供了经验，具有推广价值。
For retrieving coal column of mining area in the mine of impact pressure in the coal enterprise offers the experience, takes on popularity value.
应用推荐