Table 4 Parameters of internal friction Angle of soil.

From: Sensitivity analysis of counterweight double-row pile deformation to weak stratum parameters

Stratigraphic(Genetic)

Internal friction angle/°

B1

B2

B3

B4

B5

1–1 Rockfill (Q4mL)

28.0

29.0

30.0

31.0

32.0

2–1 Silt (Qm)

2.0

3.0

4.0

5.0

6.0

3–1 Silty clay(Q4al+pl)

16.0

16.0

16.0

16.0

16.0

4–1 Gravel clay (Qel)

23.0

23.0

23.0

23.0

23.0

5–1 Completely weathered granite(γK1)

28.0

28.0

28.0

28.0

28.0

1–1 Rockfill (Q4mL)

32.0

32.0

32.0

32.0

32.0