Table 3 Test conditions.
Test materials | Contact pressure (kPa) | Water pressure (kPa) |
|---|---|---|
Convex shell drainage plate | 50, 100, 200, 300, 400, 500 | 0.1, 0.5, 1 |
Capillary drain board | 50, 100, 200, 300, 400, 500 | 20, 40, 60, 80, 100 |
Geotextile | 50, 100, 200, 300, 400, 500 | 20, 40, 60, 80, 100 |