Abstract:

Abstract： Taking the middle and small open-pit coal mines in Ordos area as carriers, the article puts forward several kinds of methods of end slope pressed coal backstoping for the area in middle and small open-pit coal mines, so as to complete end slope pressed coal backstoping and improve the recovery rate of coal resources and increase the economic benefit of coal enterprises.

摘要：

摘　要：以鄂尔多斯地区中小型露天煤矿为载体，提出适合该区域范围内中小型露天煤矿端帮压煤回采的几种方法，以便实现对端帮压煤的回采，提高煤炭资源的回收率，增加煤企的经济效益。