Research Article
Fiber-Reinforced Polymer-Packaged Optical Fiber Bragg Grating Strain Sensors for Infrastructures under Harsh Environment
Table 2
The testing results at low cycle fatigue.
| Specimen | Strain amplitude (με) | Cycles (10000 times) | Wavelength variation (nm) |
| Surface welding GFRP (1) | 2000~3000 | 100 | 7 | Surface welding GFRP (2) | 2000~3000 | 100 | 9 | Surface welding GFRP (2) | 2000~4000 | 160 | 6 | Direct embedded CFRP | 2000~3000 | 100 | 7 |
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