A method of buffer blasting used in the open pit is presented in this paper.

本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。

youdao

According to the test in Nanfan Open Pit, shows the method is available, the absorbing shock rate of this method reachs 68%, the bursting range of back shock reduces 78%.

通过在南芬露天铁矿的应用，表明该方法是行之有效的，降震率为68%，后冲破裂范围减少78%。

youdao

According to the exploration problems in an open-pit mine, a new drilling method using reverse circulation DTH hammer drill is put forward.

针对露天矿钻探施工中存在的问题，提出了利用贯通式反循环潜孔锤进行施工的新方法。

youdao