Table 3 Physical and mechanical parameters of soil layers and structural elements.

From: Mechanisms of pile-soil stress and deformation in excavations under the coupled effects of excavation disturbance and extreme rainfall infiltration

Component

Depth range (m)

Density (g/cm3)

Compression modulus (MPa)

Permeability coefficient (m/d)

Cohesion(kPa)

Internal friction angle (°)

①1 Miscellaneous Fill

0 ~ 3.9

1.7

8.1

1.3*10− 4

10

15.5

② 31B Silty Clay

3.9 ~ 9.8

1.83

4.2

0.05

19.5

11

② 31 C Silty Sand

9.8 ~ 13.6

1.92

22

14

2

28

② 31 Silty Clay

13.6 ~ 19.3

1.82

7.7

0.6

10.5

22

② 21 Silty Clay

19.3 ~ 24.1

1.88

13.3

0.5

13.5

23.5

② 32 Silty Clay

24.1 ~ 26.6

1.99

16.5

0.8

14.2

26

Capping Beam༆Concrete Pile

0 ~ 25

2.4

30,000

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