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The difference between the dielectric constant of each parameter and the thickness of the test.
| Dielectric constant | Volume ratio% | Concrete dielectric constant | Calculated lining thickness | ||
| Air | Water | Air | Water | ||
|
| |||||
| 1 | 81 | 5 | 1 | 6.25 | 0.38 |
| 1 | 81 | 4 | 2 | 6.74 | 0.37 |
| 1 | 81 | 3 | 3 | 7.32 | 0.36 |
| 1 | 81 | 2 | 4 | 7.68 | 0.35 |
| 1 | 81 | 1 | 5 | 8.31 | 0.34 |
