Stepped Footing:

The main purpose of using stepped footing is to keep the metal columns away from direct contact with soil to save them from corrosive effect. They are used to carry the load of meta column and transmit this load to the below ground.

Stepped Footing

In this type of footing, stepped footing means it is made of steps that we can see in the picture, stepped footing save from corrosion and also transmit load on the soil.