Table 6 Test scheme based on experimental design
No. | Water–cement ratio | Expansion agent (%) | Water reducing agent (%) | Accelerating agent (%) | Orthogonal combination |
|---|---|---|---|---|---|
1 | 0.50 | 6.0 | 1.0 | 1.5 | A1B1C1D1 |
2 | 0.50 | 7.0 | 1.2 | 2.0 | A1B2C2D2 |
3 | 0.50 | 8.0 | 1.4 | 2.5 | A1B3C3D3 |
4 | 0.50 | 9.0 | 1.6 | 3.0 | A1B4C4D4 |
5 | 0.53 | 8.0 | 1.0 | 2.0 | A2B3C1D2 |
6 | 0.53 | 9.0 | 1.2 | 1.5 | A2B4C2D1 |
7 | 0.53 | 6.0 | 1.4 | 3.0 | A2B1C3D4 |
8 | 0.53 | 7.0 | 1.6 | 2.5 | A2B2C4D3 |
9 | 0.56 | 9.0 | 1.0 | 2.5 | A3B4C1D3 |
10 | 0.56 | 8.0 | 1.2 | 3.0 | A3B3C2D4 |
11 | 0.56 | 7.0 | 1.4 | 1.5 | A3B2C3D1 |
12 | 0.56 | 6.0 | 1.6 | 2.0 | A3B1C4D2 |
13 | 0.60 | 7.0 | 1.0 | 3.0 | A4B2C1D4 |
14 | 0.60 | 6.0 | 1.2 | 2.5 | A4B1C2D3 |
15 | 0.60 | 9.0 | 1.4 | 2.0 | A4B4C3D2 |
16 | 0.60 | 8.0 | 1.6 | 1.5 | A4B3C4D1 |