高瓦斯双突巷道快速施工工艺

Rapid Construction Technique of High-gas Double Outburst Tunnel

枣庄矿业集团公司站街煤矿回风上山净断面8.96m2,上山坡度24°,贯通距离215m,属高瓦斯双突巷道。由于在施工中采用"三八制"、"四六制"、耳巷瓦斯探放、辅助工作平行作业等新工艺,加上科学的施工组织管理,实现了安全、优质、快速、高效施工。

In Zhanjie Coal Mine,Zaozhuang Mining Group Company is a high gas double outburst tunnel with the net return air uphill section is 8.96m2,uphill slope is 24 °,go-through distance is 215m.Because using ＂Three Eight System＂,＂Four Six system＂,ear lane gas exploration and discharge,auxiliary supporting and parallel operation est.new craft,and science construction management,has achieved safe,high quality,fast and efficient construction.