P2

IRC SP-105 Girder Interaction Calculator (compact)

Section Width B (mm) Section Depth D (mm) Concrete strength f_ck (MPa) Steel fy (MPa) Clear cover (mm) Bar diameter (mm) Number of bars (Top & Bottom faces, each) Number of bars (Left & Right faces, each) Applied axial load N_Ed (kN)

α will be auto-computed from N_Ed/N_rd. Use the override only if you want to force a chart value.

α (auto / override)