Table 7.
Parameters of the supplementary specimens.
| Group No. | Diameter of Prefabricated Steel Bars D1 (mm) | Diameter of Post-Retrofitted Connecting Steel Bars D2 (mm) |
Single-Sided Welding Length L (mm) | Protective Layer Thickness D (mm) | Strength of Reinforcement Material | Number of Specimens |
|---|---|---|---|---|---|---|
| S-RM1 | 16 | 12 | 4D2 | 2D2 | C85 | 3 |
| S-RM2 | 16 | 12 | 4D2 | 2D2 | C60 | 3 |
| S-RM3 | 16 | 12 | 4D2 | 3D2 | C85 | 3 |
| S-RM4 | 14 | 10 | 4D2 | 3D2 | C60 | 3 |
| S-RM5 | 18 | 14 | 5D2 | 2D2 | C60 | 3 |
| S-RM6 | 16 | 12 | 5D2 | 2D2 | C85 | 3 |
| S-RM7 | 16 | 12 | 5D2 | 3D2 | C85 | 3 |
| S-RM8 | 16 | 12 | 5D2 | 3D2 | C60 | 3 |
| S-RM9 | 16 | 12 | 4D2 | No | No | 3 |