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Table 5 Bond strength of EB and NSM-FRP.

From: Evaluation on the Bond Capacity of the Fire-Protected FRP Bonded to Concrete Under High Temperature

Specimen name

Pu

(kN)

σf

Pu/Af

(N/mm2)

fn/ffu

Ï„f

Pu/Ab

(N/mm2)

E-F0-S0

15.33

375

0.16

4.5

N-F0-S0

22.79

1117

0.48

6.7

  1. *fn is strength of specimen; the peak load was divided by sectional area of FRP. ffu is the ultimate strength of FRP, 2319 N/mm2 which was given from tensile test, τf is bond stress acting between FRP and concrete.