Research Article
Effects of Single and Hybrid Steel Fiber Lengths and Fiber Contents on the Mechanical Properties of High-Strength Fiber-Reinforced Concrete
Table 1
Mix proportions of the HSFRC.
| Mixture | W/B | W | OPC | Zr | SF | BFS | FA | F | Steel fiber | Fiber content by volume (%) | Diameter (mm) |
| F10-S-L130 | 0.16 | 157 | 770 | — | 193 | — | 848 | 231 | 1.0 = 1.0 (13.0 mm) | 0.2 | F10-S-L195 | 0.22 | 209 | 770 | 58 | — | 135 | 847 | 231 | 1.0 = 1.0 (19.5 mm) | 0.2 | F10-H | 0.16 | 157 | 770 | — | 193 | — | 848 | 231 | 1.0 = 0.5 (16.5 mm) + 0.5 (19.5 mm) | 0.2 | F15-S-L130 | 0.16 | 157 | 770 | — | 193 | — | 848 | 231 | 1.5 = 1.5 (13 mm) | 0.2 | F15-H(BFS) | 0.18 | 180 | 788 | 99 | — | 99 | 867 | 236 | 1.5 = 0.5 (16.5 mm) + 1.0 (19.5 mm) | 0.2 | F15-H | 0.18 | 178 | 783 | 196 | — | — | 862 | 235 | 1.5 = 0.5 (16.5 mm) + 1.0 (19.5 mm) | 0.2 | F20-S-L130 | 0.16 | 157 | 770 | — | 193 | — | 848 | 232 | 2.0 = 2.0 (13 mm) | 0.2 | F20-H | 0.16 | 157 | 770 | — | 193 | — | 848 | 232 | 2.0 = 1.0 (16.5 mm) + 1.0 (19.5 mm) | 0.2 |
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Note. OPC: ordinary Portland cement; Zr: zirconium; SF: silica fume; BFS: blast-furnace slag; FA: fine aggregate; F: filler; and W: water.
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