西坡煤矿沿空留巷工艺研究

Research on Gob-side Entry Retaining Technology in Xipo Coal Mine

以西坡煤矿5206工作面为例介绍了沿空留巷工艺,描述了沿空留巷围岩控制技术,包括支护方案、支护参数、采动影响期间顶板强化管理和留巷充填墙体内加固方案及参数。实践证明,西坡矿自从采用了沿空留巷的工艺,减少了巷道掘进量,使沿空巷道继续服务下一个工作面;此外,掘进工程量大量减少,工作面提前构成,为瓦斯抽采提供充足的时间和空间,可从根本上解决采、掘、抽衔接紧张问题。提高了资源的利用率,经济效益显著。

Xipo coal mine＇s 5206 workface for gob -side entry retaining is introduced, including the supporting means, supporting data, additional enhanced management ot the root during working and lilings in gob - side entry retaining. This program has been brought into effect that reduced a lot of roadway and carry on the next workface. There more, it have some advantages what earlier constructs workface than before and provides the sufficient time ＆ space for pulling out the gas, which can fundamentally solve tense questions of workface, heading face. And this will lead to efficiencies and savings of the resources, the economic benefits is remarkable.