Table 1 Uniaxial and triaxial test database for model validation.

From: Implementation of a constitutive model for anisotropic rocks based on modified Lade failure criterion

References

Rock type

σ3 (MPa)

β (°)

Niandou et al.33

Tournemire shale

0, 5, 20, 40

0, 30, 45, 60, 90

Tien and Tsao34

Artificial interlayered rock

0, 3, 8, 15

0, 15, 30, 45, 60, 75, 90

Tien and Tsao34

Transversely isotropic rock

0, 6, 14, 35

0, 15, 30, 45, 60, 75, 90

Zhang et al.28

Layered rock

0, 10, 20, 30

0, 15, 35, 70, 90

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