Table 2
Test plan and UCSs
| Group name | CE: % | CA: % | FA: % | CAS: % | UCS: MPa | Increase percentage after stabilisation: % | Group |
|---|---|---|---|---|---|---|---|
| CA2-FA4 | 0 | 2 | 4 | 0 | 0.183 |  454.5 | I |
| CA2-FA6 | 0 | 2 | 6 | 0 | 0.248 |  651.5 | I |
| CA2-FA8 | 0 | 2 | 8 | 0 | 0.320 |  869.7 | I |
| CA2-FA10 | 0 | 2 | 10 | 0 | 0.194 |  487.9 | II |
| CA2-FA12 | 0 | 2 | 12 | 0 | 0.209 |  533.3 | II |
| CA4-FA8 | 0 | 4 | 8 | 0 | 0.256 |  675.8 | II |
| CA4-FA12 | 0 | 4 | 12 | 0 | 0.255 |  672.7 | II |
| CA4-FA16 | 0 | 4 | 16 | 0 | 0.274 |  730.3 | II |
| CA6-FA12 | 0 | 6 | 12 | 0 | 0.306 |  827.3 | II |
| CA6-FA18 | 0 | 6 | 18 | 0 | 0.327 |  890.9 | II |
| CA6-FA24 | 0 | 6 | 24 | 0 | 0.308 |  833.3 | I |
| CA2-FA4-CE2 | 2 | 2 | 4 | 0 | 0.326 |  887.9 | I |
| CA2-FA4-CE3 | 3 | 2 | 4 | 0 | 0.451 |  1266.7 | I |
| CA2-FA4-CE4 | 4 | 2 | 4 | 0 | 0.600 |  1718.2 | I |
| CA2-FA4-CE2-CAS0.5 | 2 | 2 | 4 | 0.5 | 0.367 |  1012.1 | I |
| CA2-FA4-CE2-CAS1 | 2 | 2 | 4 | 1.0 | 0.378 |  1045.5 | I |
| CA2-FA4-CE2-CAS1.5 | 2 | 2 | 4 | 1.5 | 0.431 |  1206.1 | I |
| CA2-FA4-CE2-CAS2 | 2 | 2 | 4 | 2.0 | 0.464 |  1306.1 | I |
| CA2-FA4-CE2-CAS3 | 2 | 2 | 4 | 3.0 | 0.442 |  1239.4 | II |
| CA2-FA4-CE2-CAS4 | 2 | 2 | 4 | 4.0 | 0.469 |  1321.2 | II |
| CA2-FA4-CE2-CAS5 | 2 | 2 | 4 | 5.0 | 0.444 |  1245.5 | II |
| CA3-FA6-CE2-CAS1 | 2 | 3 | 6 | 1.0 | 0.522 |  1481.8 | I |
| CA3-FA6-CE3-CAS1 | 3 | 3 | 6 | 1.0 | 0.542 |  1542.4 | I |
| CA4-FA8-CE2-CAS1 | 2 | 4 | 8 | 1.0 | 0.582 |  1663.6 | I |
| CA4-FA8-CE4-CAS1 | 4 | 4 | 8 | 1.0 | 0.927 |  2709.1 | I |
CA, lime; CE, cement; FA, fly ash; CAS, gypsum