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

<div>Hole arrangement and sequence of two control methods. (a) Excavation of rock well. (b) A<sub>1</sub>-A<sub>1</sub> section.</div>

Shock and Vibration

Figure 1: Comparison of Presplit and Smooth Blasting Methods for Excavation of Rock Wells 