Table 1 Test variables.
Specimen ID | Strengthening material | Strengthening material area (mm2) | The number of strengthening materials | Pre-strain (%) |
|---|---|---|---|---|
SL-CTRL | – | – | – | – |
SL-60C-0 | CFRP strip | 60 | 2 | 0 |
SL-30S-4 | Fe-SMA strip | 30 | 1 | 4 |
SL-60S-0 | Fe-SMA strip | 60 | 2 | 0 |
SL-60S-2 | Fe-SMA strip | 60 | 2 | 2 |
SL-60S-4 | Fe-SMA strip | 60 | 2 | 4 |
SL-90S-4 | Fe-SMA strip | 90 | 3 | 4 |