The depth of the foundation is usually 4 to 6 feet and is purely based on the load-bearing capacity of the soil. Foundation Matt is placed on the hard surface of the soil.
The depth of the foundation is calculated based on the number of floors and load-bearing capacity of the soil. A soil test is mandatory to determine the depth of the foundation.
Based on the structural drawing, the number of foundations is determined. There are many types of foundations. If the earth is filled with clay soil, a Pile foundation is required because when the load is applied foundation tends to move downward. This will cause a structural crack in the building.
Types of foundation:
- Individual footing or isolated footing
- Combined footing
- Strip foundation
- Raft or mat foundation
- Pile foundation
- Drilled Shafts or caissons
Individual footing or isolated footing
Raft or mat foundation
Drilled Shafts or caissons
To know more about the number of bars used in the column, click here.
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