ISOLATED FOOTING FOR BIAXIAL LOADING

MATERIAL GRADE



COLUMN AND FOOTING DIMENSIONS






FACTORED LOADS




curve
Fig. Footing



DESIGN RESULTS

BEARING STRESSES AT FOUR CORNERS:

\(σ_1\):

\(σ_2\)::

\(σ_3\)::

\(σ_4\)::

Check for maximum bearing Stress:

Check for minimum bearing Stress:

1. REINFORCEMENT DESIGN

Limiting moment, \(M_{u_lim}\):

Moment at edge of column, \(M_x\):

Moment at edge of column, \(M_y\):

Area of main reinforcement at x-axis, \(A_{stx}\):

Area of main reinforcement at y-axis, \(A_{sty}\):

2. ONE-WAY SHEAR CHECK

One-way shear force in x-axis, \(F_x\):

One-way shear force in y-axis, \(F_y\):

Shear reinforcement check in x-axis:

Shear reinforcement check in y-axis:

3. TWO-WAY SHEAR CHECK

Punching stress, \(F_p\):

Punching strength, \(v_{tw}\):

Check for punching strength: