Table 4 cr and φr values of argillaceous sandstone under different criteria.

From: Study on mechanical properties and fracture surface characteristics of argillaceous sandstone under different stress paths

Strength criterion

Triaxial loading test

Triaxial unloading test

cr (MPa)

φr (°)

fa

cr (MPa)

φr (°)

fa

Mohr–Coulomb

8.78

18.22

162.39

4.08

31.97

155.97

Mogi–Coulomb

8.74

18.43

0.38

4.43

30.99

0.93

Drucker–Prager

8.22

18.42

0.53

2.09

21.19

3.70

Back to article page