Research Article
Estimating the Tensile Strength of Ultrahigh-Performance Fiber-Reinforced Concrete Beams
Table 4
Experimental results of the beams.
| | Beams | Initial cracking stage | Yielding stage | Ultimate stage | | Initial cracking load, Pcr (kN) | Initial cracking moment, Mcr (kN·m) | Initial cracking deflection, Δcr (mm) | Yielding load, Py (kN) | Yielding moment, My (kN·m) | Yielding deflection, Δy (mm) | Ultimate load, Pu (kN) | Ultimate moment, Mu (kN·m) | Ultimate deflection, Δu (mm) |
| | FRC120-R2 | 32.0 | 19.2 | 4.1 | 63.5 | 38.1 | 6.7 | 66.7 | 40.0 | 22.2 | | FRC120-R3 | 60.1 | 36.1 | 4.0 | 117.2 | 70.3 | 15.3 | 123.3 | 74.0 | 20.9 | | FRC120-R4 | 54.6 | 32.8 | 4.2 | 123.8 | 74.3 | 15.8 | 127.3 | 76.4 | 26.4 | | FRC150-R2 | 41.0 | 24.6 | 2.5 | 71.5 | 42.9 | 11.0 | 76.0 | 45.6 | 17.9 | | FRC150-R3 | 48.4 | 29.0 | 2.6 | 107.7 | 64.6 | 31.7 | 118.6 | 71.2 | 34.6 | | FRC150-R4 | 44.1 | 26.5 | 3.8 | 123.9 | 74.3 | 16.1 | 139.9 | 83.9 | 39.5 | | FRC180-R2 | 41.1 | 24.7 | 1.9 | 105.3 | 63.2 | 12.8 | 111.5 | 66.9 | 17.8 | | FRC180-R3 | 40.8 | 24.5 | 1.8 | 122.0 | 73.2 | 14.4 | 131.3 | 78.8 | 21.2 | | FRC180-R4 | 41.0 | 24.6 | 1.7 | 126.9 | 76.1 | 12.0 | 147.2 | 88.3 | 25.5 |
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