Table 4 Specimen identification regarding strengthening methods.
From: Rebar free high performance ductile concrete beams powered by CFRP and post-tensioning
Beams | CFRP method | Post-tensioning method | |||
|---|---|---|---|---|---|
One layer sheet | Two layers sheets | U-shaped wrapping | 60% | 80% | |
B1 | - | - | - | - | - |
B2 | ✔ | - | - | - | - |
B3 | - | ✔ | - | - | - |
B4 | - | ✔ | ✔ | - | - |
B5 | - | - | - | ✔ | - |
B6 | - | - | - | - | ✔ |
B7 | - | ✔ | - | ✔ | - |
B8 | - | ✔ | - |  | ✔ |
B9 | - | ✔ | ✔ | ✔ | - |
B10 | - | ✔ | ✔ | - | ✔ |
