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Dowel bars between a column and its footing

Minimum dowel steel at a column base and the length it needs into the footing. Reference: IS 456:2000 Cl. 34.4.3.

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Dowel bars between a column and its footing: worked example sheet in Equation Pad with typeset equations and results.

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# Data
b := 400 mm
D := 400 mm
phi := 16 mm
f_y := 415 MPa
tau_bd.c := 1.25*1.6*1.4 MPa =

# Dowels
A_min := 0.005*b*D = mm^2
n := ceil(A_min/(pi/4*phi^2)) =
L_d.c := phi*0.87*f_y/(4*tau_bd.c) = mm

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