Mixing ratio (gypsum and dry soil are relative cement content) | Unconfined compression strength (unit: kPa) | |||||
Group | Cement content | Gypsum content | Dry soil content | 7 d | 14 d | 28 d |
1.1 | 4% | 0% | 0 | 21.55 | 25.20 | 31.92 |
1.2 | 6% | 0% | 0 | 58.87 | 68.47 | 82.17 |
1.3 | 8% | 0% | 0 | 106.12 | 111.55 | 131.96 |
1.4 | 10% | 0% | 0 | 171.17 | 212.97 | 281.44 |
2.1.1 | 8% | 20% | 0 | 108.45 | 120.59 | 140.26 |
2.1.2 | 8% | 30% | 0 | 123.54 | 143.99 | 160.35 |
2.1.3 | 8% | 40% | 0 | 110.05 | 126.26 | 149.41 |
2.1.4 | 8% | 50% | 0 | 108.70 | 124.23 | 147.73 |
2.2.1 | 8% | 0% | 1 Multiple | 106.76 | 112.38 | 132.62 |
2.2.2 | 8% | 0% | 2 Multiple | 109.33 | 114.25 | 133.38 |
2.2.3 | 8% | 0% | 3 Multiple | 112.24 | 124.91 | 142.70 |
2.2.4 | 8% | 0% | 4 Multiple | 123.54 | 133.62 | 157.32 |