Table 1 Soil parameters.

From: Research on the combined control of tunnel deformation adjacent to the foundation pit by servo steel strut and capsule grouting

Layer number

Layer name

γ(kN/m3)

Es(MPa)

c(kPa)

φ(°)

â‘ 1

Miscellaneous Fill

17.5

3.0

8.0

15.0

â‘ 2

Plain fill

18.0

2.5

10.0

12.0

â‘¡32

Sandy silt

19.2

8.5

6.0

26.0

â‘¡42

Sandy silt mixed with silty sand

19.5

11.0

5.0

29.0

â‘¢5

Silt sand

19.4

15.0

5.0

32.0

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