摘要
随着寺河矿西翼巷道向前延伸及揭煤厚度的不断加大,瓦斯压力与涌出量不断增加,为进一步防治瓦斯,保证安全生产,采取了先抽放后掘进的施工方案,取得了较好的效果。
Along with the west wing tunnel extending in sihe coal mine, the gas pressure and gush increase unceasingly. In order to prevent gas futherly, ensure the safety production, the construction project of gas drainge first then digging is adopted. The better effect is obtained.
出处
《煤炭技术》
CAS
2006年第10期61-62,共2页
Coal Technology
关键词
瓦斯
先抽后掘
钻孔
gas
drainage first then digging
hole
