Shock and Vibration / 2019 / Article / Tab 5

Research Article

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

Table 5

Drill and blast parameters in the production blasting experiment.

Blasthole typeHole diameter (mm)Hole depth (m)Burden (m)Spacing (m)Charge diameter (mm)Charge weight (kg)Stemming length (m)

Production holes1159.3∼14.93.55.0∼6.09048∼844.5∼5.5
Single holes11515.090725.0