综采工作面岩石松动控制爆破方案选择

Scheme Selection of Controlled Blasting for Loose Rock in Fully Mechanized Coal Mining Face

叙述了金达煤矿的工程概况及工作面开采技术条件,分析了综采工作面坚硬岩石爆破弱化初步方案设计及其爆破效果。通过爆破方案比较,所选爆破方案在金达煤矿综采工作面岩石松动爆破现场试验,取得了良好的爆破松动效果。

This paper described the general project situation and mining technical conditions of the working face in Jinda Coal Mine, and analyzed the design of the initial program design and the blasting effect of the hard rock blasting in the fully mechanized coal mining face. Through the blasting schemes comparison, it is proved that selected blasting scheme can achieve good blasting effect in the field test of loose rock blasting in the fully mechanized coal mining face.