Comparison of Presplit and Smooth Blasting Methods for Excavation of Rock Wells

<div>The depths of main and peripheral boreholes generated by two experiments. (a) The depths of five main boreholes. (b) The depths of peripheral holes.</div>

Shock and Vibration

fig13

Figure 13

Figure 13: Comparison of Presplit and Smooth Blasting Methods for Excavation of Rock Wells 