Advances in Materials Science and Engineering / 2019 / Article / Tab 5

Research Article

Estimating the Tensile Strength of Ultrahigh-Performance Fiber-Reinforced Concrete Beams

Table 5

Analysis results.

BeamsTensile strength (MPa)Bending strength (kN·m)RatioDifference between tensile strengths (%)
CMOD test result (ft,test)Estimation from curve fitting (ft,estimation)Beam test result (1)Prediction using the tensile strength from the CMOD test (2)(2)/(1)

FRC120-R27.212.8340.061.71.54154.8
FRC120-R37.215.4274.073.00.9933.0
FRC120-R47.215.5076.484.41.1031.1
FRC150-R29.074.5945.666.61.4697.6
FRC150-R39.077.7971.275.81.0616.4
FRC150-R49.078.4483.985.01.017.5
FRC180-R27.768.9066.961.50.9212.8
FRC180-R37.769.3878.871.20.9017.3
FRC180-R47.769.3988.380.90.9217.4

Difference between the tensile strength obtained from the material test and that estimated by fitting the moment-curvature curves.

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