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🧮 Gravity Column Design Calculator

Prepared as per IS 16700:2023, IS 1893, IS 13920, and IS 456 by a highly experienced structural engineer

1. Input: Factored Load Case (IS 16700)

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

2. Input: Inelastic Drift Check (IS 1893 + IS 13920)

Gravity Load for Drift (kN): Elastic Drift δ_elastic (mm): Response Reduction Factor R: Primary Seismic Moment (kNm): Factored Axial Load (Seismic) (kN):

3. Column Geometry

Unsupported Column Length l_u (mm): Effective Length Factor k: