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Table 2 Material Properties.

From: Repair of Pre-cracked Reinforced Concrete (RC) Beams with Openings Strengthened Using FRP Sheets Under Sustained Load

Material

Tensile strength (MPa)

Bond strength (MPa)

Ultimate strain (%)

Elastic modulus (GPa)

Mixing ratio

Curing time (h)

Putty (TLS-502)

≥30

≥Max (2.5, ftk)

3:1

24

Primer (TLS-501)

≥Max (2.5, ftk)

4:1

24

Epoxy (TLS-503)

≥40

≥Max (2.5, ftk)

≥1.5

≥2500

4:1

72

Material

Type

Areal density (g/m2)

Ultimate tensile strength (MPa)

Modulus (GPa)

Thickness (mm)

AFRP

C1-AK-40

280

2100

120

0.193