7. MAT FOUNDATION:
This foundation covers the entire area under the structure. This foundation has only RCC slab covering the whole area or slab and beam together. Mat foundation is adopted when heavy structures are to be constructed on soft made-up ground or marshy sites with uncertain behavior. Mat foundation is also known as raft foundation.
8. SLOPED FOOTING:
The footings having sloping top or side faces are known as sloped footings. This type of footing is useful in the construction of formwork.
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