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

Table 5

Analysis results.

Beams	Tensile strength (MPa)		Bending strength (kN·m)		Ratio	Difference 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-R2	7.21	2.83	40.0	61.7	1.54	154.8
FRC120-R3	7.21	5.42	74.0	73.0	0.99	33.0
FRC120-R4	7.21	5.50	76.4	84.4	1.10	31.1
FRC150-R2	9.07	4.59	45.6	66.6	1.46	97.6
FRC150-R3	9.07	7.79	71.2	75.8	1.06	16.4
FRC150-R4	9.07	8.44	83.9	85.0	1.01	7.5
FRC180-R2	7.76	8.90	66.9	61.5	0.92	12.8
FRC180-R3	7.76	9.38	78.8	71.2	0.90	17.3
FRC180-R4	7.76	9.39	88.3	80.9	0.92	17.4

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