Research Article
Influence Factors on the Properties of Ultrahigh-Performance Fiber-Reinforced Concrete Cured under the Condition of Room Temperature
Table 3
Composition of the mixtures and the test results.
| Material (kg/m3) | B1 | B2 | B3 | C1 | C2 | C3 | D1 | D2 | D3 | E1 | E2 |
| Cement | 846 | 752 | 658 | 752 | 752 | 752 | 940 | 940 | 940 | 940 | 940 | GGBFS | 94 | 188 | 282 | 188 | 188 | 188 | — | — | — | — | — | FA | — | — | — | — | — | — | 28.2 | 56.4 | 84.6 | — | — | SF | 282 | 282 | 282 | 282 | 282 | 282 | 253.8 | 225.6 | 197.4 | 282 | 282 | 0-1 mm bauxite | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 240 | 710 | 1180 | 1∼3 mm bauxite | 940 | 940 | 940 | 940 | 940 | 940 | 940 | 940 | 940 | 470 | 0 | Steel fiber | 234 | 234 | 234 | 234 | 234 | 234 | 234 | 234 | 234 | 234 | 234 | SP (L/m³) | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | 70.5 | Water | 237 | 237 | 237 | 212 | 225 | 237 | 237 | 237 | 237 | 237 | 237 | Water/binder | 0.194 | 0.194 | 0.194 | 0.174 | 0.184 | 0.194 | 0.194 | 0.194 | 0.194 | 0.194 | 0.194 | Compressive strength (MPa) | | | | | | | | | | | | 7 days | 106.2 | 105.3 | 89.6 | 106.5 | 108 | 105.3 | 119.2 | 106.5 | 115.2 | 115.7 | 121.2 | 28 days | 141.4 | 140.1 | 121.5 | 132 | 131.7 | 140.1 | 144.6 | 137.6 | 148.6 | 152.4 | 155.5 | Slump (cm) | 9.2 | 10.1 | 12 | 2 | 3.5 | 10.1 | 9.6 | 7.2 | 14.1 | 12 | 7.3 |
|
|