Research on the Deformation Mechanism and Directional Blasting Roof Cutting Control Measures of a Deep Buried High-Stress Roadway

Table 3

The material parameters of HJC [36].

ρ (g·cm^−3)

G (Pa)

A

B

fc (Pa)

T (Pa)

EPS0

EFMIN

SFMAX

Pc (Pa)

pl (Pa)

D1

D2

K1 (Pa)

K2 (Pa)

K3 (Pa)

fs

2.471

11.67E9

0.79

1.60

0.007

0.61

130E6

7.07 E6

1E − 6

0.005

4.00

43.30 E6

0.00278

1 E9

0.1

0.045

1.0

86.00 E9

−171.00 E9

208.00 E9

0.04