秦岭隧道Ⅰ线中部多工作面钻爆法施工通风系统的研究与实践

Study and Application of Ventilation System during the Construction with Multi-Face Drilling and Blasting Method in the Middle Part of Qinling No. I Tunnel

结合秦岭特长铁路隧道Ⅰ线中部多工作面钻爆法大规模组织施工特点,研究设计了利用Ⅱ线平导作主风流通道的混合通风系统,对实现秦岭隧道快速施工发挥了重要作用,取得了较好的经济效益和社会效益。

This paper mainly introduces the characteristics of construction with multi - face drilling and blasting method in the middle part of extra long Qinling railway tunnel. Mixed ventilation system with the No. II tunnel as its main ventilation passage was designed for the middle part of Qinling No. I tunnel. This system played an important role in rapid construction of Qinling tunnel and achieved great both economic and social benefits.