Table 1 Summary of GFRP bar-UPC pull-out bond test results.
From: Durability assessment of the bonding performance between GFRP rebars and UPC in aquatic environments
Specimen number | Maximum bond force | Average maximum bond force | Bond strength | Average bond strength |
|---|---|---|---|---|
Fmax (kN) | \(\overline{F}_{{{\text{max}}}}\) (kN) | τmax (MPa) | \(\overline{\tau }_{{{\text{max}}}}\) (MPa) | |
49.50 | 31.53 | |||
control | 47.25 | 48.30 | 30.10 | 30.76 |
48.15 | 30.67 | |||
50.25 | 32.01 | |||
T25-60d | 48.75 | 49.40 | 31.05 | 31.47 |
49.2 | 31.34 | |||
47.25 | 30.1 | |||
T25-120d | 48.05 | 47.38 | 30.61 | 30.18 |
46.85 | 29.84 | |||
47.15 | 30.03 | |||
T25-180d | 46.85 | 46.55 | 29.84 | 29.65 |
45.65 | 29.08 | |||
48.75 | 31.05 | |||
T40-60d | 48.25 | 48.48 | 30.73 | 30.88 |
48.45 | 30.86 | |||
47.05 | 29.97 | |||
T40-120d | 46.35 | 46.50 | 29.52 | 29.62 |
46.10 | 29.36 | |||
44.65 | 28.44 | |||
T40-180d | 45.85 | 45.49 | 29.20 | 28.97 |
45.95 | 29.27 | |||
46.95 | 29.9 | |||
T60-60d | 47.15 | 47.62 | 30.03 | 30.33 |
48.75 | 31.05 | |||
46.60 | 29.68 | |||
T60-120d | 45.85 | 45.73 | 29.20 | 29.13 |
44.75 | 28.5 | |||
43.95 | 27.99 | |||
T60-180d | 44.25 | 44.53 | 28.14 | 28.35 |
45.40 | 28.92 |
