Research Article
Flexural Toughness of High-Performance Concrete with Basalt and Polypropylene Short Fibres
Table 2
High-performance concrete mixture proportions.
| Material | C0 | B1 | B0.75P0.25 | B0.5P0.5 | B0.25P0.75 | P1 | B2 | B1.5P0.5 | B1P1 | B0.5P1.5 | P2 |
| Cement (kg/m3) | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | 670.5 | Silica fume (kg/m3) | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | Basalt (kg/m3) | 990 | 990 | 990 | 990 | 990 | 990 | 990 | 990 | 990 | 990 | 990 | Quartz sand (kg/m3) | 500 | 473 | 477.5 | 482 | 486.5 | 491 | 446 | 455 | 464 | 473 | 482 | Superplasticizer (l/m3) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | Water (l/m3) | 210 | 210 | 210 | 210 | 210 | 210 | 210 | 210 | 210 | 210 | 210 | Basalt fibre (kg/m3) (%) | — | 27 | 20.25 | 13.5 | 6.75 | — | 54 | 40.5 | 27 | 13.5 | — | — | 1 | 0.75 | 0.5 | 0.25 | — | 2 | 1.5 | 1 | 0.5 | — | Polypropylene fibre (kg/m3) (%) | — | — | 2.25 | 4.5 | 6.75 | 9 | — | 4.5 | 9 | 13.5 | 18 | — | — | 0.25 | 0.5 | 0.75 | 1 | — | 0.5 | 1 | 1.5 | 2 | Water/binder ratio | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 | 0.28 |
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