采用硐室爆破开采面板堆石坝级配料

Use of Coyote Blasting for Quarrying Graded Material for The Concrete face Rockfill Dam

摘要:

介绍了陡岭子水电工程堆石料采用硐室爆破开采的设计方法和特点。实践证明，大块率得到了有效控制（小于８％），石料级配符合水工设计要求。

Abstract:

The disign method and features of coyote blasting in quarrying rockfill material for the Doulingzi hydro power project are described. It is proved that effective control of the big size rocks can be achieved (Less than 8%) and the material gradation meets the requirements of the hydro power project.