论文部分内容阅读
近年来 ,随着城煤矿采深的加大 ,矿工钢棚式支护巷道非常难以维护 ,支护改革十分必要。介绍了锚网索联合支护在城矿的应用情况、存在问题和改进措施等。
In recent years, with the increase of mining depth in Tancheng Coal Mine, it is very difficult for the miner’s steel shed supporting roadway to be maintained and the support and reform is very necessary. This paper introduces the application of anchor net support in Yuncheng mine, existing problems and improvement measures.