There are several types of footings, including:
1. Strip footing: This is the most common type of footing that is used in building construction. It is a continuous strip of concrete that runs along the perimeter of the building.
2. Pad footing: This type of footing is used to support individual columns or posts. It is typically square or rectangular in shape and is reinforced with steel rebar.
3. Raft footing: A raft footing spans the entire area of the building and is used to distribute the load of the building over a larger area.
4. Pile footing: This type of footing is used in areas where the ground is soft or unstable. Piles are driven into the ground and act as columns to support the structure.
5. Combined footing: A combined footing is used when two or more columns are positioned close to each other. It is a single continuous footing that supports all of the columns.
6. Isolated footing: It supports a single column and is designed to transfer the column load directly to the soil. It is designed as a square or rectangular beam that is reinforced with steel bars.
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