RC Column Schedule — 6-Storey Residential Block

Column reinforcement schedule for a six-storey residential block. Three column types: C1 (400×400, 8H25, ground/1F, N_Ed = 2,400 kN), C2 (350×350, 8H20, 2F–4F, N_Ed = 1,600 kN), C3 (300×300, 8H16, 5F–6F, N_Ed = 800 kN). EN 1992-1-1 §5.8.3 slenderness (λ vs λ_lim), §5.8.8 nominal curvature second-order eccentricity e₂, §6.1 M-N interaction diagram (biaxial check, exponent a per n ratio), §9.5.2 min/max longitudinal, §9.5.3 link spacing. Full BS 8666:2020 bar bending schedule: shape code 00 straight main bars with lap allowance, shape code 51 rectangular tied links per storey, total mass per column type.