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Sensitivity of each sensor.
| Specimens | Sensitivity (MPa/V) | ||
|---|---|---|---|
| S-1 | S-2 | S-3 | |
| A-2 | 1.288 | 1.301 | 1.321 |
| A-3 | 1.307 | 1.311 | 1.285 |
| A-4 | 1.309 | 1.312 | 1.302 |
Note: The letter A indicates the concrete filled steel tubular column, and the number following A indicates the wall thickness in mm. S indicates the PVDF sensor.
