Table 1.
Compaction and strength characteristics of the soil cement samples.
| Parameter | Soil-cement samples | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A0 | A2 | A4 | A6 | B0 | B2 | B4 | B6 | C0 | C2 | C4 | C6 | D0 | D2 | D4 | D6 | |
| γ dmax, kN/m3 (LC) | 14.5 | 14.6 | 14.8 | 14.6 | 15.6 | 15.6 | 15.0 | 15.4 | 15.9 | 15.7 | 15.6 | 15.6 | 16.4 | 16.6 | 16.7 | 16.6 |
| OMC (%) (LC) | 28.0 | 28.3 | 26.8 | 25.6 | 25.0 | 22.4 | 25.2 | 24 | 23.2 | 22.8 | 23.4 | 23.2 | 21.0 | 20.6 | 18.8 | 20.4 |
| γ dmax, (kN/m3) (HC) | 14.9 | 16.4 | 16.4 | 16.5 | 15.9 | 17.3 | 17.3 | 17.7 | 16.4 | 18.3 | 18.4 | 18.2 | 17.5 | 18.8 | 18.4 | 18.4 |
| OMC (%) (HC) | 27.0 | 22.1 | 21.9 | 21.6 | 22.0 | 19.0 | 19.0 | 17.2 | 21.0 | 14.4 | 16 | 16.5 | 18.0 | 14.9 | 15.4 | 16 |
| 7-day UCS (kPa) (LC) | 130.8 | 478.8 | 814.8 | 991.7 | 155.6 | 733 | 863.6 | 1691.8 | 162.2 | 769.3 | 1307.3 | 1703.5 | 289.2 | 1080.8 | 1507.5 | 2130.2 |
| C (kPa) (LC) | 23.5 | 290.0 | 340.0 | 480.0 | 21.0 | 265.0 | 280.0 | 390.0 | 19.0 | 190.0 | 245.0 | 320.0 | 18.5 | 140.0 | 180.0 | 260.0 |
| Φ (degrees) (LC) | 20.0 | 31.0 | 35.0 | 40.0 | 25.0 | 34.0 | 36.0 | 41.0 | 31.0 | 37.0 | 41.0 | 43.0 | 31.0 | 38.0 | 46.0 | 51.0 |
| STS (kPa) (LC) | — | 75.52 | 109.9 | 112.8 | — | 64.1 | 104.2 | 107.03 | — | 52.6 | 101.3 | 104.2 | — | 55.5 | 98.4 | 101.3 |
Note.γ dmax: max dry density, OMC: optimum moisture content, LC: light compaction, HC: heavy compaction, UCS: unconfined compressive strength, C: cohesion, Φ: angle of internal friction, and STS: split tensile strength.