Research Article
Bond Strength between Hybrid Fiber-Reinforced Lightweight Aggregate Concrete Substrate and Self-Compacting Concrete as Topping Layer
Table 3
Mixtures proportions of SCC as topping layer.
| | Material | Concrete topping variants | | T30 | T35 | T40 | T50 | T60 |
| | Water | (kg) | 178.50 | 175.00 | 171.50 | 168.50 | 164.50 | | Portland cement | (kg) | 255.00 | 318.20 | 398.80 | 481.40 | 498.50 | | Limestone powder | (kg) | 229.80 | 188.20 | 133.10 | 79.20 | 80.30 | | Coarse aggregate (crushed stone) | (kg) | 806.00 | 806.00 | 806.00 | 806.00 | 806.00 | | Fine aggregate (sand) | (kg) | 769.70 | 766.80 | 762.80 | 755.00 | 750.50 | | Viscoflow | (kg) | 1.50 | 1.90 | 2.40 | 2.90 | 3.00 | | Plastiment VZ | (kg) | 0.40 | 0.50 | 0.60 | 0.70 | 0.70 | | Average compressive strength | (MPa) | 31.30 | 34.51 | 42.99 | 51.66 | 61.85 | | w/c ratio | | 0.70 | 0.55 | 0.43 | 0.35 | 0.33 |
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