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Table 3 Mechanical parameters of contact interface under different stick states

From: Damage evolution of bi-body model composed of weakly cemented soft rock and coal considering different interface effect

Model

Normal stiffness (GPa m−1)

Tangential stiffness (GPa m−1)

Cohesion (MPa)

Friction angle (°)

R–Cs–M

50

50

2

40

R–Cw–M

10

10

1

40

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