Table 2.
Composition of concrete mixtures.
| Components | Unit | C-REF | F-RCS | F-RCP |
|---|---|---|---|---|
| CEM I 42.5R cement | (kg∙m−3) | 260 | – | – |
| CEM I 52.5 HSR cement | (kg∙m−3) | – | 720 | 720 |
| Quartz sand (0.2–0.8 mm) | (kg∙m−3) | – | 900 | 900 |
| Sand (0–2 mm) | (kg∙m−3) | 730 | – | – |
| Gravel (2–8 mm) | (kg∙m−3) | 1134 | – | – |
| Reactive powder | (kg∙m−3) | – | 25.2 | 25.2 |
| Silica ash | (kg∙m−3) | – | 216 | 216 |
| Superplasticizer | (kg∙m−3) | – | 5.76 | 5.76 |
| Plasticizing admixture | (kg∙m−3) | 1.82 | – | – |
| Steel fibers | (kg∙m−3) | – | 20.4 | – |
| Polypropylene fibers | (kg∙m−3) | – | – | 20.4 |
| Water | (kg∙m−3) | 185 | 173 | 173 |