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

<div>The vibration signals induced by the excavation of rock wells with (a) presplit blasting and (b) smooth blasting. <i>X</i> and <i>Y</i> represent radial and tangential directions, respectively.</div>

Shock and Vibration

fig4

Figure 4

Figure 4: Comparison of Presplit and Smooth Blasting Methods for Excavation of Rock Wells 