人工混凝土柱代替原生矿柱在房柱法开采中的应用

Concrete column as substitute for ore pillar in room-and-pillar mining

在地下磷矿开采过程中采用人工混凝土柱置换原生矿柱,提高了矿石开采的安全性,减少了矿石资源损失,创造了直接经济效益和社会效益。

In the process of mining underground phosphate rock with room-and-pillor methool in Guizhou Kailin Group, primary ore pillar is substituted with concrete column, which results in improving security in ore mining, reducing ore resource loss and creating directess economic benefit economic benefit and social benefit.