Table 6 Charge size for each condition.

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

condition

1

2

3

4

5

6

Reduced paragraph

Radius/cm

1.49

1.55

1.47

1.52

1.55

1.55

Lengths/cm

30

30

30

35

40

45

Expanded paragraph

Radius/cm

1.70

1.65

1.72

1.70

1.70

1.75

Lengths/cm

30

30

30

25

20

15

Volumetric deviation (ΔV)

0

-0.29%

 + 0.18%

-0.12%

 + 0.39%

 + 0.48%