The influence factors of rock fracture weak face on cut hole blasting are analysed,suit-able hole distributing method based on fracture distribution is put foreward.

• 分析了岩体中裂隙弱面对掏槽孔爆破的影响因素，并根据裂隙的分布情况提出相应的布孔方法和原则，对岩巷掘进施工具有实际指导意义。