Isolated Footing For a Column
#1

. A reinforced concrete footing for a column, also termed an isolated
spread footing
, is the most common and economical types of footings used for structures.

. Individual column footings are generally square ¡n plan but can be Rectangular where dimensional limitations exits.

. The footing is a slab that directly supports a column.

. A pedestal is placed between a column and a footing.

. The footing ¡s loaded in an upward direction by the soil pressure.

. Tensile stresses are induced in each direction in the bottom of the footing.

. So, the footing ¡s reinforced by two layers of steel perpendicular to each other and parallel to the edges.

. The required footing-soil contact area is determined by the soil bearing capacity and the column loads being applied to the footing.
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