桃花铺二号隧道光面爆破技术

Smooth Blasting Technology of Taohuapu No.2 Tunnel

介绍了桃花铺二号隧道施工中,根据不同断面、不同岩性,采用合理的钻爆设计,包括所采用的掏槽技术、光爆参数、炸药选择、装药结构等,使隧道的光面爆破取得了较好的效果。

In this article, the author states the drill blasting design, whose force is determined by different rock cross sections and performances, adopted in construction of Taohuapu No.2 Tunnel, and introduces the cutting technology, smooth blasting parameters, selection of explosives, dynamite filling structure and so forth. The smooth blasting of the tunnel got good effects.