天生桥一级水电站溢洪道开挖硐室爆破设计

Coyote Blasting Design of Spillway Excavation for TSQ-1 Hydropower Project

为了尽快形成溢洪道的开挖作业面 ,给大坝填筑提供料源 ,对溢洪道范围内的两座孤峰 ,实施大爆破作业 。

WT5,5”BZ]For the purpose of quickly forming the excavation workface of spillway and supplying material for the embankment of dam,a mass blasting scheme has been considered to explode two isolated hills in the spillway. The explosion design was thus investigated and corresponding measures were decided.