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International Journal of Concrete Structures and Materials

Table 7 Summary of Additional confinement test results: PEN FRP confinement.

From: Behavior of Small-Scale Concrete Cylinders in Compression Laterally Confined by Basalt Fiber and PEN Fiber Reinforced Polymer Composites

Index

f’co

(MPa)

εco

(m/m)

\(f'_{cc}\)

(MPa)

εccu

(m/m)

εh,rup

(m/m)

\(f_{l}\)

(MPa)

\(f_{l}\) / \(f'_{co}\)

Failure

mode

Control

35.0

0.002

      

C-P2-0 mm

  

52.5

0.033

0.037

9.96

0.31

RP

C-P2-50 mm

C-P2-150 mm

  

52.7

60.3

0.042

0.037

0.040

0.039

10.64

10.43

0.33

0.32

D-R

RP

  1. C—cylinder; P2—PEN FRP 2 layers; 0, 50, 150 mm—overlap length of 0 mm, 50 mm, and 150 mm (1/3rd of cylinder perimeter length); RP—FRP rupture, D-R— delamination followed by FRP rupture.
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