Shock and Vibration / 2019 / Article / Fig 21

Research Article

Effect of Initiation Location within Blasthole on Blast Vibration Field and Its Mechanism

Figure 21

Comparison of PPVs measured below the blasthole bottom (#1∼#3) in the single-hole blasting experiment. PPVs induced by blastholes (a) with shock wave-reflecting block and (b) without shock wave-reflecting block.
(a)
(b)