Research Article

Effects of Single and Hybrid Steel Fiber Lengths and Fiber Contents on the Mechanical Properties of High-Strength Fiber-Reinforced Concrete

Table 6

Comparison of the test results and estimation from the regression analysis of the tensile strength .

MixtureBatchNumber of specimensNumber of specimens successfully evaluated in the inverse analysisMaximum load (kN)Test result of the tensile strength (MPa)Prediction of the tensile strength (MPa)

F10-S-L13015448.810.0710.31
23147.310.1310.00
35243.88.869.25
46242.09.218.87
Mean45.19.619.53

F10-S-L19514346.69.659.84
24331.76.126.69
34230.26.226.39
44228.76.316.05
53232.67.076.88
Mean34.07.217.18

F10-H15247.89.8510.09
Mean47.89.8510.09