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Advantages and Disadvantages of Raft Foundation

Raft Foundation: Mat or raft foundation is a huge slab assisting several walls and pillars beneath the whole structure or a huge portion of the structure to reduce the contact pressure in comparison with spread footing.

At what time Raft/Mat Foundation is suggested:

• It is suggested for the subsequent functions.
• Soil bearing potential is little,
• the structure walls are too near that the separate footings would superimpose,
• It is utilized for huge loads,
• Separate footings would encompass over around ½ of the construction region.

Benefits of Raft Foundation:

• It has several benefits and drawbacks. The benefits of raft foundation are namely,
• Mat or raft foundation is cost-effective because of arrangement of floor slab and foundation.
• It needs less digging.
• It can deal with amalgamated or inadequate ground state.
• It lessens dissimilar settlement.

Demerits of Raft Foundation:

• It has a few demerits too. The demerits of raft foundation comprise the subsequent.
• Mat foundation needs definite preparation regarding point loads.
• Border deterioration happens in case not managed appropriately.

To get more details, go through the following video tutorial.

Lecturer: VinCivil World