Column & Footing
Column side c
in
Footing B (square)
ft
Footing thickness h
in
Loads (service)
Service axial P
kip
Factored axial P
u
kip
Bearing is checked at
service
load; concrete shear/flexure use the
factored
net pressure q
u
=P
u
/A.
Soil
Allowable bearing q
a
ksf
Materials
f′c
psi
3000
4000
5000
6000
fy
psi
60000
75000
Concrete
Normalweight
Lightweight