Issue 58

R. Capozucca et alii, Frattura ed Integrità Strutturale, 58 (2021) 402-415; DOI: 10.3221/IGF-ESIS.58.29

0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 load P [kN] δ [mm] D D 1 2 D D 3 4 Failure Condition

10 15 20 25

(a)

load P [kN]

D D 1 2 D D 3 4

0 5

0 500 1 000 1 500 2 000 2 500 3 000 3 500

ε GFRP ( · 10 -6 )

(b) Figure 11: Diagrams (a) load, P, vs deflection, δ , and (b) load, P, vs strain of GFRP rod, ɛ GFRP – RC beam B2 strengthened with NSM GFRP rod

10 12

0 2 4 6 8

moment M [kNm]

D D 1 2 D D 3 4

0

1

curvature χ [1/mm · 10 -5 ]

Figure 12: Diagram moment, M, vs curvature, χ , at the midspan section - RC beam B2 strengthened with NSM GFRP rod.

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