导硐自封堵塞药包的大爆破施工

本文结合金刚村硐室大爆破工程实践，设计了导硐的封堵药包方法，利用封堵药包起爆产生的应力波和爆生产体作用下封堵材料，有效抑制和减少主爆药包爆炸能量的散失和冲炮现象的发生，从而改善爆破效果。

The Practice of Stemming Charge in Leading Chamber

In light of the practice of chamber blasting in Jingang village, a method of stemming charge in leading chamber is described in this paper. When stemming charge explodes,the stress waves and air ssured from explosion act on stemming materials tocontrol and decrease dissipation of the main charge energy and to avoid blownout, so asto ensure good blasting results.