Table 4 Orthogonal experimental design and properties of ceramsite
No | Sintering temperature (°C) | Ball particle size (cm) | Sintering time (min) | Silicon-aluminum ratio |
|---|---|---|---|---|
1 | 1230 | 0.5 | 10 | 1 |
2 | 1230 | 1 | 30 | 2.5 |
3 | 1230 | 1.5 | 20 | 1.5 |
4 | 1230 | 2 | 20 | 3 |
5 | 1230 | 1 | 40 | 2 |
6 | 1240 | 0.5 | 20 | 2.5 |
7 | 1240 | 1 | 20 | 1.5 |
8 | 1240 | 1.5 | 40 | 3 |
9 | 1240 | 2 | 10 | 2 |
10 | 1240 | 1 | 30 | 1 |
11 | 1250 | 0.5 | 40 | 1.5 |
12 | 1250 | 1 | 10 | 3 |
13 | 1250 | 1.5 | 30 | 2 |
14 | 1250 | 2 | 20 | 1 |
15 | 1250 | 1 | 20 | 2.5 |
16 | 1260 | 0.5 | 30 | 3 |
17 | 1260 | 1 | 20 | 2 |
18 | 1260 | 1.5 | 20 | 1 |
19 | 1260 | 2 | 40 | 2.5 |
20 | 1260 | 1 | 10 | 1.5 |
21 | 1270 | 0.5 | 20 | 2 |
22 | 1270 | 1 | 40 | 1 |
23 | 1270 | 1.5 | 10 | 2.5 |
24 | 1270 | 2 | 30 | 1.5 |
25 | 1270 | 1 | 20 | 3 |