云冈矿河下采煤的必要性及采煤方法选择

The necessity of under river mining in Yungang Mine and its mining selecting

针对云冈矿河下压煤量大且质优， 探讨了河下开采的必要性， 并对河下煤体的开采方法进行了选择， 确定了条带法开采的采宽与留宽煤柱尺寸， 指出了河下采煤应注意的问题。

The coal deposited under river in Yungang mine has qualities and quantities.In this paper,the necessity of under river mining is inquired about;the mining for coal bed under river is selected;the measurements of mining width and remaining width are determined and the main points for attention are put forward.