Table 6 Mechanical parameters of rock masses under different weathering conditions.

From: Study of in situ stress inversion of deeply incised valleys considering the river evolution process

Category

Bulk (GPa)

Poisson µ

Density (g/cm3)

Cohesion (MPa)

internal friction angle (°)

Strongly weathered

2.70

0.35

2350

0.40

35.0

Weakly weathered

7.56

0.32

2550

0.90

43.5

Unweathered

13.5

0.30

2600

1.55

51.0

Fault

0.22

0.28

1800

0.03

21.8