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Table 13 The results of the tests of mixing the A-liquids and B-liquids

From: Use of a 10.22 m diameter EPB shield: a case study in Beijing subway construction

Mix ratio in mass of the A-liquid

Density of A-liquid (g/cm3)

Mix ratio in volume of the A-liquid to the B-liquid

Final setting time (s)

Water

Cement

Slurry

Retarder

0.8

1

0.3

0.013

1.31

10:1

20.5

1.1

1

0.22

0.009

1.29

10:1

20.2

1.1

1

0.23

0.013

1.32

10:1

23.5

1.1

1

0.33

0.011

1.27

10:1

35.2

1.25

1

0.25

0.010

1.24

10:1

36.3

1

1

0.25

0.013

1.32

10:1

16.5

1

1

0.3

0.013

1.32

10:1

16.4

1

1

0.4

0.013

1.32

10:1

17.3

1

1

0.5

0.013

1.32

10:1

25.9

1

1

0.6

0.013

1.32

10:1

35.2

1

1

3.52

0.016

1.21

10:1

24.6

1

1

3.52

0.016

1.21

11:1

25.6

1

1

3.52

0.016

1.21

12:1

28.7

1

1.2

3.52

0.016

1.22

12:1

14.7

1

1.4

3.52

0.016

1.23

12:1

13.5

1

1.08

0.37

0.012

1.32

10:1

17.1