Calculation of Friction Force for Slurry Pipe Jacking considering Soil-Slurry-Pipe Interaction

Table 3

The parameters which are needed to calculate the prediction equations in each case.

Cases

1

2

3

4

5

6

7

8

9

10

11

12

Montmor

Chatenay

Champigy

Neuilly 1

Neuilly 2

Bordeaux

Anthens 1

Anthens 2

F city

H city

Shenyang

Shanghai

Geotechnical description

Silty sand with clay

Clean fine sand

Sandy clay

Sand and gravels

Clean sand

Sandy clay

Silty fine sand

Organic silt

Round gravel/gravel sand

Silty clay/sandy silt

Parameters

h (m)

7

6

5

5

7

6∼12

2.72

8.15

9

7∼10.5

Dp (m)

1.08

0.96

0.76

0.64

0.66

0.65

1.49

1.2

0.96

4.14

4.06

ΔR (mm)

30

15

0

20

0

10

5

5

5

30

20

γ (kN/m^3)

18∼20

18∼20

17∼20

20

18∼20

18∼21

19∼20.5

17.5∼19

19∼20.5

17.6∼19.4

c (kPa)

0

0

5∼30

0

0

10∼15

0

10

0

5∼33

φ (°)

28∼42

28∼42

20∼30

35

30∼35

26∼28

28∼42

15∼18

36.6∼37

19∼32

Es (MPa)

10∼14

10∼14

9∼45

10∼46

10∼46

8∼13

10∼12

14∼28

10∼46

30∼45

0.25∼0.30

0.25∼0.30

0.25∼0.35

0.15∼0.30

0.25∼0.30

0.25∼0.35

0.25∼0.30

0.3∼0.42

0.15∼0.25

0.25∼0.35

e

0.31∼1.27

0.50∼0.80

0.80∼2.24

0.28∼1.27

0.31∼1.27

0.80∼2.24

0.90∼1.27

1∼2.5

0.28∼1.27

0.80∼2.24