Issue 49

M. J. Adinoyi et alii, Frattura ed Integrità Strutturale, 49 (2019) 487-506; DOI: 10.3221/IGF-ESIS.49.46

80

0.3%_1 0.3%_2 0.4%_1 0.4%_2 0.5%_1 0.5%_2 0.6%_1 0.6%_2 0.7%_1 0.7%_2

70

60

50

Residual stiffness (GPa)

40

0

20

40

60

80

100

120

Percentage cycle loops

Figure 8 : Residual stiffness vs. percentage sampled hysteresis loops.

Figure 9 : Illustration of Damaged Loops Resulting in Reduced Stiffness.

Figure 10 : Estimated plastic strain versus percentage of cycle loops .

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