Table 3 Particle size distribution of soil aggregates
From: Effect of polymer water retaining agent on physical properties of silty clay
Test groups | SAR(%) | Sieving method | ≥ 5 mm | 2–5 mm | 0.5–2 mm | 0.25–0.5 mm | < 0.25 mm | Aggregates stability index (ASI) | Fractal dimension (\(D\)) |
|---|---|---|---|---|---|---|---|---|---|
1 | 0 | Dry | 27.16 ± 0.1 | 10.19 ± 0.0 | 23.53 ± 0.0 | 7.15 ± 0.0 | 31.97 ± 0.1 | 0.180 | 2.636 |
Wet | 13.4 ± 0.1 | 12.11 ± 0.0 | 19.77 ± 0.0 | 9.82 ± 0.0 | 44.9 ± 0.1 | 2.718 | |||
2 | 0.025 | Dry | 31.41 ± 0.2 | 16.33 ± 0.0 | 24.89 ± 0.1 | 7.79 ± 0.0 | 19.58 ± 0.2 | 0.173 | 2.506 |
Wet | 15.24 ± 0.1 | 16.48 ± 0.0 | 31.68 ± 0.0 | 13.15 ± 0.0 | 23.45 ± 0.1 | 2.539 | |||
3 | 0.03 | Dry | 32.84 ± 0.2 | 18.07 ± 0.0 | 25.66 ± 0.0 | 8.37 ± 0.1 | 15.06 ± 0.1 | 0.170 | 2.437 |
Wet | 16.99 ± 0.1 | 17.59 ± 0.0 | 32.25 ± 0.0 | 12.73 ± 0.0 | 20.44 ± 0.2 | 2.503 | |||
4 | 0.035 | Dry | 32.37 ± 0.1 | 21.82 ± 0.0 | 25.78 ± 0.0 | 8.65 ± 0.0 | 11.38 ± 0.1 | 0.167 | 2.361 |
Wet | 17.26 ± 0.2 | 17.64 ± 0.0 | 32.69 ± 0.1 | 12.12 ± 0.0 | 20.29 ± 0.2 | 2.500 | |||
5 | 0.04 | Dry | 34.18 ± 0.1 | 21.43 ± 0.0 | 25.94 ± 0.0 | 8.99 ± 0.1 | 9.46 ± 0.2 | 0.162 | 2.316 |
Wet | 17.31 ± 0.0 | 17.72 ± 0.0 | 33.54 ± 0.0 | 12.06 ± 0.0 | 19.37 ± 0.1 | 2.487 |