Fig. 11From: Ductility Design of Reinforced Very-High Strength Concrete Columns (100–150 MPa) Using Curvature and Energy-Based Ductility IndicesRequired volumetric ratio of transverse steel for different ductility levels (µϕ = 4 and 6) (ρsl = 2.5%) 1500 × 1500 mm, fysh = fysl = 500 MPa: a P/fcoAc = 0.1, b P/fcoAc = 0.3, c P/fcoAc = 0.5.Back to article page