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Footing Design

Civil Engineering

14 Feb, 2026

📐 ACI 318 footing

isolated · spread · responsive

P_u factored column load

kip

f'c concrete strength

psi

fy steel yield

psi

col. width (in)

col. depth (in)

footing L (ft)

footing W (ft)

h total thickness (in)

inches

cover to reinforcement (in)

ACI 20.5.1 (min 3")

bar size

spacing (in)

reinforcement	A_s (in²/ft)	ϕM_n (k-ft)	ϕV_c (kip)

⚡ ACI 318-19 · ϕ = 0.90 (flexure) · ϕ = 0.75 (shear) · instant update

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📐 ACI 318 footing

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