The traditional way of drilling is replaced by pre-plugged in shot hole the reinforced concrete braces when we demolish the reinforced concrete braces at roundation pit by blasting.

• 介绍了在高层建筑物钢筋混凝土基坑围护系统拆除爆破工程中,采用预先埋设炮孔的方法取代传统的钻眼法,并对预先埋设炮孔法的工艺流程以及施工中一些问题进行了初步研究。