Table 2 Table of explosives parameters.

From: Research on the optimization of optimal blasting parameters and fragmentation control based on coal seam geological conditions

ρ (g/cm3)

Blasting velocity D (m/s)

Blasting pressure \(\text{P}\) (GPa)

A (GPa)

B (GPa)

\({\text{R}}_{1}\)

\({\text{R}}_{2}\)

\(\upomega\)

\({\text{E}}_{0}\) (GPa)

V

1.20

4500

18

521

8

4.15

1.05

0.32

7.5

1