Table 3 Results of mechanical properties of reinforcement.
From: Effect of steel fiber content on fatigue performance of high-strength concrete beams
Reinforcement grade | Caliber | Yield strength /MPa | Tensile strength /MPa | Elongation δ5 | Cold bending performance |
|---|---|---|---|---|---|
HRB400 | 20 | 460.2 | 685.3 | 24% | Qualified |
HPB300 | 10 | 335.0 | 459.9 | 37% | Qualified |
HPB300 | 8 | 338.0 | 450.1 | 34% | Qualified |