Research Article
Experimental Study on the Formation and Characteristics of Mud Filtration Cake in Large-Diameter Slurry Shield Tunneling
Table 3
Two-dimensional porosities of 27 samples of mud filtration cake.
| Number | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 |
| D1 | 0.431 | 0.549 | 0.400 | 0.451 | 0.482 | 0.618 | 0.487 | 0.538 | 0.519 | D2 | 0.500 | 0.502 | 0.459 | 0.497 | 0.458 | 0.520 | 0.645 | 0.397 | 0.491 | D3 | 0.496 | 0.467 | 0.428 | 0.428 | 0.519 | 0.530 | 0.665 | 0.542 | 0.493 |
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