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 |