Table 4.
Results of orthogonal tests for compressive strength of CDG-based foamed lightweight soil.
| Test No. | Pre-Determined Wet Density (kg/m3) | Fluidity (mm) |
Compressive Strength (kPa) | ||
|---|---|---|---|---|---|
| 3 d | 7 d | 28 d | |||
| 1 | 810 | 289 | 280 | 357 | 433 |
| 2 | 980 | 270 | 447 | 562 | 668 |
| 3 | 1160 | 264 | 435 | 549 | 820 |
| 4 | 1350 | 285 | 675 | 937 | 1354 |
| 5 | 910 | 184 | 113 | 173 | 229 |
| 6 | 1013 | 165 | 57 | 69 | 117 |
| 7 | 1275 | -- | -- | -- | -- |
| 8 | 1378 | 394 | 986 | 1335 | 1817 |
| 9 | 1015 | 192 | 590 | 811 | 1097 |
| 10 | 1200 | 266 | 1093 | 1470 | 2174 |
| 11 | 1215 | 194 | 870 | 1220 | 1584 |
| 12 | 1400 | -- | -- | -- | -- |
| 13 | 1125 | 273 | 1392 | 1809 | 2045 |
| 14 | 1233 | 394 | 1151 | 1533 | 2030 |
| 15 | 1330 | 176 | 1379 | 1779 | 2385 |
| 16 | 1418 | 177 | 1556 | 2079 | 2696 |
Note: “--” means no results due to severe collapse before compression tests.