Table 9 Efficiency of the steel reinforcement ratio (ρsl)
Long. bars | Long. bars ratio, ρsl % | Capacity, Pu (kN) | Increasing of capacity, + Pu% | Increasing of long. bars ratio, + ρsl % | + Pu%/ + ρsl % |
|---|---|---|---|---|---|
4Φ10 mm | 1.64 | 989.04 | – | – | – |
4Φ12 mm | 2.36 | 1040.92 | 5.25 | 43.90 | 0.119 |
4Φ14 mm | 3.21 | 1098.35 | 11.05 | 95.73 | 0.115 |
4Φ16 mm | 4.19 | 1163.37 | 17.63 | 155.49 | 0.113 |