Issue 68

H. Mostafa et alii, Frattura ed Integrità Strutturale, 68 (2024) 19-44; DOI: 10.3221/IGF-ESIS.68.02

2,78 GFRP gratings strain  gf (10 -3 ) 0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5

2,95

2,34

2,00

1,96

1,88

1,63

SP02 SP03 SP04 SP05 Top

SP05 Bottom

SP06 SP07

Specimen number

Figure 17: Gratings strain for all tested specimens at failure load.

1000,0 1500,0 2000,0 2500,0 3000,0

2697,67

2377,21

2318,58

2251,67

2212,60

2157,82

1962,76

Toughness (kN.mm)

0,0 500,0

SP01 SP02 SP03 SP04 SP05 SP06 SP07

Specimen number

Figure 18: Toughness for all tested specimens.

a) Specimen SP01

b) Specimen SP02

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