Table 1 CZM model parameter.

From: Distribution of cracks in an anchored cavern under blast load based on cohesive elements

Material

Density/kg·m-3

Young’s modulus/GPa

Poisson’s ratio

Internal friction angle

Tensile strength/MPa

Shear strength/MPa

Fracture energy

Experimental material

1800

2.03

0.16

35*

/

/

/

Cohesive

/

/

/

/

0.16

0.64

2*

Anchor bolt

3000

76

0.34

/

/

/

/

  1. “*”Represent repeated trial calculation value.