Footing Charts in Bullets:
code provisions are listed, where applicable, on the charts
for quick reference.
assume rigid footing condition, resulting in a uniform soil
pressure for concentric load, and a triangular or
trapezoidal soil pressure for eccentric loading (combined
axial and bending)
preliminary size under service loads, and proportion
rectangular footing dimensions, if required, around a
in one single equation one-way shear, two-way shear, and
design moment, under factored loads, respectively.
- Cover separately
the two most common
eccentricity conditions, where e<L/6 flexural equations
are used, and for e>L/6 equilibrium equations are used.
the nominal shear strength of the concrete for both beam
shear (one way) and punching shear (two way, or slab shear).
Alternatively, provide reference to the code provisions
where shear reinforcement may be used in case of factored
shear force exceeds nominal concrete shear strength with
restricted footing depth.
required flexural reinforcement ratio and compared it with the
minimum and maximum permitted by code, and provide required
tension reinforcement, and calculate rebar development
axial force transfer at the column base (for compression
only), and fully detailing the dowels design and development
length required into footing and column.
sketches illustrating the subject under investigation.
notations sheet explaining in details all symbols used in