本文通过对秦岭隧道I线平导出口段捆进现状的描述，反映当今中国铁路隧道钻爆法无 轨运输施工所采用的先进设备及施工方法,为同行提供借鉴。

Based on the descriptions of the existing tunnelling state at the exit section of parallel drift on the No. I Line of Qinling Tunnel, the advanced equipments and the corresponding con- struction method which have been used for constructing the present railway tunnel in China with drill blasting and non-rail transportation are expounded in this paper. The experiences are valu- able for reference.