Table 3 Geomechanical parameters of the target blocks.

From: Evaluation of deflagration fracturing effect based on the HJC constitutive model

Target block

Young modulus(GPa)

Densit(g·cm3)

Poisson’s ratio

Porosity(%)

Block 1

9.4 ~ 12.3

2.36 ~ 2.40

0.13 ~ 0.15

14.2–17

Block 2

11.8 ~ 16.6

2.45 ~ 2.53

0.17 ~ 0.26

7.0 ~ 11.4

Block 3

10.5 ~ 16.9

2.375

0.10 ~ 0.14

13.9 ~ 24.5

Block 4

17.2 ~ 20.6

2.47 ~ 2.51

0.19 ~ 0.26

8.0 ~ 15.9

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