Issue 64

A. Abdo et alii, Frattura ed Integrità Strutturale, 64 (2023) 148-170; DOI: 10.3221/IGF-ESIS.64.10

100 110

100 110

0 10 20 30 40 50 60 70 80 90

0 10 20 30 40 50 60 70 80 90

15%FA-2%F 15%FA-2%F ANSYS

Load (kN)

0 FA-0 F

Load (kN)

0 FA -0 F ANSYS

0 5 10152025303540455055

0 5 10152025303540455055

Defflection (mm)

Defflection (mm)

100 110

100 110

0 10 20 30 40 50 60 70 80 90

0 10 20 30 40 50 60 70 80 90

45%FA-2%F

Load (kN)

30%FA-2%F

Load (kN)

45%FA-2%F ANSYS

30%FA-2%F ANSYS

0 5 10152025303540455055

0 5 10152025303540455055

Defflection (mm)

Defflection (mm)

Figure 18: Experimental versus finite element backbone carve at 2% steel fibers.

Group Control

Specimens ID

FEM. Pm (kN)

Exp. Pm (kN)

P FEM /P Exp.

75.0 98.7 96.6 86.8 74.7 90.4 85.6 95.6 96.6 95.7

1.01

0 FA-0 F

74.3 89.7 89.4 87.7 84.5 86.5 83

1.1

15%FA-1%F 15%FA-2%F 15%FA-3%F 15%FA-4%F 30%FA-1%F 30%FA-2%F 30%FA-3%F 30%FA-4%F 45%FA-1%F 45%FA-2%F 45%FA-3%F 45%FA-4%F

1.08 1.09 1.09 1.07 1.03 1.05 1.05 1.03 1.06 1.07 0.08 1.1 1.1

Group 1

Group 2

91 92 87 90 87 90

117.0 92.2 99.0

Group 3

Mean Coefficient of variation (COV)

Table 7: FEM results versus experimental results

167