Table 5 The size of charge.

From: Numerical study on the fragmentation of rock under single free face explosion of variable diameter decoupled charge

Charging structure

Radial uncoupling

Variable diameter decoupled

Reduced paragraph

Radius/cm

1.60

1.49

Lengths/cm

30.00

30.00

Expanded paragraph

Radius/cm

1.60

1.70

Lengths/cm

30.00

30.00

Volumetric deviation (ΔV)

0.00

-0.19%