From: Flexural Strengthening of RC Columns with Low Longitudinal Steel Ratio using GFRP Bars
Specimen | Concrete strength (MPa) | Number of steel rebars | Diameter of steel rebars (mm) | Ratio of steel rebars (%) | Number of GFRP bars | Diameter of GFRP bars (mm) | Ratio of GFRP bars (%) |
---|---|---|---|---|---|---|---|
NS | 25.3 | 4 | 10 | 0.785 | – | – | – |
S08 | 24.2 | 4 | 10 | 0.785 | 4 | 8 | 0.502 |
S10 | 24.8 | 4 | 10 | 0.785 | 4 | 10 | 0.785 |
S12 | 25.2 | 4 | 10 | 0.785 | 4 | 12 | 1.13 |