Issue 29

D. De Domenico et alii, Frattura ed Integrità Strutturale, 29 (2014) 209-221; DOI: 10.3221/IGF-ESIS.29.18

geometrical details

steel re-bars arrangement

FRP arrangement

specimen label

top re-bars

bottom re-bars stirrups 2 Φ13 Φ9@203 2 Φ13 Φ9@203 2 Φ13 Φ9@203

FRP system #

N layers

b (mm)

h (mm)

L (mm)

L 0 (mm)

L 1 (mm)

d y (mm)

S5-PRE1 S6-PRE3 S6-PRE5

203 203 203

305 2743 2439 305 305 2743 2439 305 305 2743 2439 305

54 54 54

2 Φ3 2 Φ3 2 Φ3 2#6, 1#5 2#6, 1#5 2#6, 1#5

1 a 1 a 1 a

1 2 3

3#7, 2#6 3#7, 2#6 3#7, 2#6

1–3

F-SB

305

768 6096 5486 1828 63.5

–

2 a

S-SB

305

768 6096 5486 1828 63.5

2, 4

–

3 b

1–3+ 2, 4

2 a +3 b

FS-SB

305

768 6096 5486 1828 63.5

–

a the fibres are oriented along the length of the beam; b the fibres are perpendicular to the length of the beam.

Table 4 : Geometrical and mechanical details of the analysed specimens

F-SB

1 layer FRP system  

2 layers FRP system  

y

x

z

y

3 layers FRP system  

x

z

fibre orientation

x

a)

b) Figure 4 : FE-model of two analysed specimens: a) specimen F-SB; b) specimen S-SB

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