3 col

🧮 Gravity Column Design Calculator
with IS 16700, IS 13920, and IS 456 Detailing

1. IS 16700:2023 P-Delta Load Combination

Factored Axial Load Pu (kN): Factored Bending Moment Mu (kNm):

2. Inelastic Seismic Drift Check (IS 1893 & IS 13920)

Gravity Load P (kN): Elastic Displacement δ_elastic (mm): Response Reduction Factor R: Primary Seismic Moment (kNm): Factored Axial Load Pu (Seismic Case) (kN):