Table 4 Mix proportion and result of orthogonal test.
From: Erosion degradation analysis of rice husk ash-rubber-fiber concrete under hygrothermal environment
Numbering | Cement (kg·m−3) | Rubber particle size (A) (mm) | PVA fiber content(B) (kg·m−3) | Rice husk ash content(C) (kg·m−3) | Compressive strength (MPa) | Splitting tensile strength (MPa) | Bending strength (MPa) |
|---|---|---|---|---|---|---|---|
1 | 354.35 | 0.4–0.6 | 0.6 | 5 | 31.6 | 3.8 | 5.80 |
2 | 335.70 | 0.4–0.6 | 1.2 | 10 | 34.8 | 4.2 | 5.45 |
3 | 317.05 | 0.4–0.6 | 1.8 | 15 | 33.9 | 4.3 | 5.52 |
4 | 335.70 | 1–2 | 0.6 | 10 | 37.2 | 3.6 | 5.32 |
5 | 317.05 | 1–2 | 1.2 | 15 | 37.6 | 4.5 | 5.19 |
6 | 354.35 | 1–2 | 1.8 | 5 | 35.9 | 4.2 | 5.52 |
7 | 317.05 | 2–4 | 0.6 | 15 | 29.1 | 3.2 | 4.60 |
8 | 354.35 | 2–4 | 1.2 | 5 | 29.6 | 3.5 | 5.02 |
9 | 335.70 | 2–4 | 1.8 | 10 | 31.9 | 3.4 | 4.78 |
