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Mix proportion for RAC blended concrete.
| Materials | C-N | C-R | C-N-C | C-N-S | C-N-P | C-R-C | C-R-S | C-R-P |
|---|---|---|---|---|---|---|---|---|
| Cement (kg/m3) | 400 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| Fine Aggregate (kg/m3) | 820 | 820 | 820 | 820 | 820 | 820 | 820 | 820 |
| Natural Coarse aggregate (kg/m3) | 1060 | – | 1060 | 1060 | 1060 | – | – | – |
| Recycled Coarse aggregate (kg/m3) | – | 1060 | – | – | – | 1060 | 1060 | 1060 |
| Coconut fiber (kg/m3) | – | – | 8 | – | – | 8 | – | – |
| Steel fiber (kg/m3) | – | – | – | 8 | – | – | 8 | – |
| Polypropylene fiber (kg/m3) | – | – | – | – | 8 | – | – | 8 |
