Table 3 Macro mechanical parameters of numerical simulation.

From: Study on blasting fragmentation mechanism of burnt rock in open-pit coal mine

Compressive strength (MPa)

Tensile strength (MPa)

Cohesion (MPa)

Angle of internal friction (°)

Elastic modulus (GPa)

Poisson ratio

Density (kg·m−3)

58.69

5.69

57.48

18.26

5.10

0.30

2030