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Properties of nano-clay particles_
| Parameter | Typical dry particle sizes | γd (g/cm3) | Gs | ||
|---|---|---|---|---|---|
| 90% less than | 50% less than | 10% less than | |||
| Value | 10 μm | 6 μm | 2 μm | 1.98 | 1.6 |
Geotechnical properties of clayey soil_
| Parameter | Liquid limit (LL) (%) | Plastic limit (PL) (%) | Plastic index (PI) (%) | Gs |
|---|---|---|---|---|
| Value | 36 | 20 | 16 | 2.757 |
Summary of the test's details_
| Test group | Nano-clay content (%) | No. of freeze–thaw cycles | Curing time (days) | No. of tests |
|---|---|---|---|---|
| Group 1 | 0.5, 1, 1.5, 2 and 3 | 0 | 0, 7 and 28 | 15 UCS†, 15 STS‡ |
| Group 2 | 0.5, 1, 1.5, 2 and 3 | 0, 1, 3, 6, 9 and 11 | 0, 7 and 28 | 90 UCS; 90 STS |