Research Article
Predicting Soil-Water Characteristic Curves of Clayey Sand Soils Using Area Computation
Table 4
SWCC control points for sand-clay mixtures.
| Mixture | Air-entry value (AEV), kPa | Residual water content (Wr), % | Saturated water content (Ws), % | Residual suction (Rs), kPa | R2 |
| Pure sand | 8.6 | 0.8 | 11.5 | 700 | 0.997 | 5% Q | 5.0 | 1.3 | 12.0 | 3800 | 0.988 | 10% Q | 27.0 | 1.4 | 13.0 | 22000 | 0.957 | 15% Q | 42.0 | 1.4 | 14.5 | 45000 | 0.978 | 30% Q | 8.6 | 15.3 | 26.0 | 300 | 0.992 | 60% Q | 11.5 | 22.0 | 35.0 | 700 | 0.988 | 100% Q | 68.0 | 7.5 | 71.0 | 50000 | 0.991 | 5% B, 10% Q | 30.0 | 1.9 | 16.0 | 25000 | 0.978 | 10% B, 5% Q | 98.0 | 0.9 | 17.0 | 13000 | 0.973 | 15% B | 170.0 | 1.2 | 22.5 | 10000 | 0.988 |
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