Table 4 Mix-design of normal and recycled reinforced concrete (per m3)
From: Flexural behaviour of recycled reinforced concrete beams strengthened/ repaired with CFRP laminates
Concrete type | Percentage of RCA (%) | Cement (kg/m3) | NCA (kg/m3) | RCA (kg/m3) | Natural sand (kg/m3) | Water (kg/m3) | |
|---|---|---|---|---|---|---|---|
Size 1 | Size 2 | ||||||
B1-0 &B2-0 | 0% | 350 | 630.6 | 630.6 | 0 | 630.6 | 175 |
B1-1 | 25% | 350 | 473 | 473 | 315.4 | 630.6 | 180 |
B1-2 & B2-2 | 50% | 350 | 315.3 | 315.3 | 630.6 | 630.6 | 185 |
B1-4 & B2-4 | 100% | 350 | 0 | 0 | 1261.2 | 630.6 | 195 |