Issue 53

R. M. Reda et al., Frattura ed Integrità Strutturale, 53 (2020) 106-123; DOI: 10.3221/IGF-ESIS.53.09

(a)

(b)

(c)

(d) Figure 8: Predicted crack patterns of the beams at failure: (a) CB, (b) 2G-0.5-S, (c) 2G-0.25-S and (d) 1G-0.25-S.

100 120 140 160 180 200

100 120 140 160 180 200

100 120 140 160 180 200

(a)

(b)

(c)

0 20 40 60 80

0 20 40 60 80

0 20 40 60 80

Load, (kN)

CB 2G‐0.8‐90/150 2G‐0.5‐90/150 2G‐0.25‐90/150

Load, (kN)

Load, (kN)

CB 2G‐0.8‐90/150 2G‐0.5‐90/150 2G‐0.25‐90/150

2G‐0.8‐90/150 2G‐0.5‐90/150 2G‐0.25‐90/150

0

5

10

15

20

25

30

35

0

5

10

15

0

5

10

15

Deflection, (mm)

Strain, (microstrain x 10 3 )

Strain, (microstrain x 10 3 )

Figure 9: Effect of NSM bar length: (a) load-deflection curve, (b) steel strain and (c) FRP strain.

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