Considering the simple equipment and relatively lagged technique,a way of substituting coyote blasting for small diameter drifting blasting is introduced in this paper.

• 结合小型采石场设备简单、工艺相对落后的实际,介绍了一种采用硐室爆破替换其小直径钻眼爆破的方法,并对药室的布置及起爆网路作了阐述。