Research Article
Effects of Single and Hybrid Steel Fiber Lengths and Fiber Contents on the Mechanical Properties of High-Strength Fiber-Reinforced Concrete
Table 7
Comparison of the test results and estimation from the regression analysis of the tensile strength
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| Mixture | Batch | Number of specimens | Number of specimens successfully evaluated in the inverse analysis | Maximum load (kN) | Test result of the tensile strength (MPa) | Prediction of the tensile strength (MPa) |
| F15-S-L130 | 1 | 5 | 3 | 63.6 | 14.24 | 13.43 | 2 | 5 | 4 | 64.8 | 13.86 | 13.69 | 3 | 6 | 4 | 64.3 | 14.22 | 13.59 | 4 | 5 | 3 | 66.6 | 14.49 | 14.07 | Mean | | | 64.8 | 14.18 | 13.69 |
| F15-H(BFS) | 1 | 4 | 2 | 36.3 | 8.65 | 7.66 | 2 | 4 | 2 | 34.7 | 9.48 | 7.32 | Mean | | | 35.5 | 9.07 | 7.49 |
| F15-H | 1 | 6 | 3 | 55.7 | 11.65 | 11.76 | 2 | 2 | 1 | 44.5 | 6.42 | 9.39 | 3 | 6 | 2 | 40.9 | 7.35 | 8.65 | 4 | 6 | 2 | 26.7 | 5.44 | 5.63 | 5 | 5 | 1 | 25.1 | 5.94 | 5.29 | 6 | 5 | 2 | 33.5 | 6.22 | 7.06 | Mean | | | 37.4 | 7.76 | 7.89 |
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