Research Article
Fiber-Reinforced Polymer-Packaged Optical Fiber Bragg Grating Strain Sensors for Infrastructures under Harsh Environment
Table 1
Interlaminar shear strength of BFRP and GFRP rebar under salt and acid condition under different age.
| FRP bars | Corrosion solution | Items | 20 days | 240 days |
| BFRP | Salt | Average value | 45.1 | 31.2 | Variance | 2.2 | 2.5 | Deterioration rate | −9.8 | −37.6 | Acid | Average value | 43.3 | 29.4 | Variance | 2.4 | 3.3 | Deterioration rate | −13.4 | −41.2 | Blank specimen | Interlaminar shear strength (MPa) | 50 | Variance (MPa) | 1.5 |
| GFRP | Salt | Average value | 48.2 | 39.6 | Variance | 1.8 | 2.5 | Deterioration rate | −6.2 | −23 | Acid | Average value | 46.8 | 37.9 | Variance | 2.1 | 3.2 | Deterioration rate | −8.9 | −26.3 | Blank specimen | Interlaminar shear strength (MPa) | 50 | Variance (MPa) | 1.5 |
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