简易放顶煤工作面沿空留巷实践

Practice of Road Retained for Simple Caving Mining Face

详细介绍了“П”型组合钢梁放顶煤工作面沿空留巷的技术要求、管理重点及所取得的效果,对缓解采掘接替紧张、提高资源回收、降低生产成本具有重要意义。

The paper gives a description of the t echnological requirements,management and results of roads reta ined for caving mining faces with“π”-type combined steel support,which is of great im-portance to the alternation of extra ction,the increase of resource recovery rate and reduction of produ ction cost.