Research Article
Chloride Penetration through Cracks in High-Performance Concrete and Surface Treatment System for Crack Healing
Table 3
Mixing proportion of concrete.
| | Mix symbol | 28-day strength (MPa) | W/C | (mm) | | Unit weight (kg/m3) | | | Water | Cement | Mineral Adx. | Sand | Gravel |
| | OPC | 28.5 | 0.50 | 16 | 185 | 370 | — | 720 | 1021 | | OPC II | 28.5 | 0.50 | 8 | 185 | 370 | — | 720 | 1021 | | HPC | 100.1 | 0.20 | 8 | 128 | 440 | Fly ash 132 | 1045 | 485 | | Silica fume 64 | | HPFRC* | 125.5 | 0.33 | — | 145 | 439 | — | 1912 | — |
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*Volume of steel fiber: 175 kg/m3 (length: 16 mm, diameter: 0.13 mm).
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