Table. 1 Material parameters for each constituent phase of the RFC model.

From: 3D mesoscopic numerical investigation on the uniaxial compressive behavior of rock-filled concrete with different ITZ and aggregate properties

Parameter

Rock

SCC

ITZ

ACU

Elastic modulus, E (MPa)

48,444.23

23,907.00

9562.84

10,000.00

Density, ρ(kg/m3)

2730.00

2360.00

2360.00

2830.00

Poisson ratio ν

0.30

0.30

0.30

-

Compressive strength, fc(MPa)

83.77

17.50

7.00

-

Tensile strength, ft(MPa)

8.14

1.70

0.68

-

Dilation angle, ψ(°)

35

30

30

0.1

Flow potential eccentricity, ε

0.10

0.10

0.10

-

Stress ratio, σb0c0

1.16

1.16

1.16

-

Kc

0.667

0.667

0.667

-

Friction angle, φ(°)

-

-

-

60

Cohesion yield stress, c(MPa)

-

-

-

0.01