Displacement pressure (MPa) | Different particle size gradation | ||
(1) | (2) | (3) | |
1.5 | 12 mL | 11 mL | 9 mL |
3.0 | 13 mL | 12 mL | 10 mL |
5.0 | 14 mL | 13 mL | 11 mL |
7.5 | 17 mL | 15 mL | 13 mL |
10.0 | 18 mL | 17 mL | 15 mL |
12.0 | 26 mL | 25 mL | 21 mL |