The main advantage of a raft foundation is that it is more economical. Another advantage is that it requires little excavation. The disadvantages of raft foundations are that there is a greater potential for erosion, and they require specific treatments to bear a load.
coment on the advantages of raft foundation
disvantages of a narrow strip foundation
sym
The advantages are that many workers know how to use it and it is cheap. Disadvantages are that it is really difficult to fix up any mistakes.
The perimeter beam around the edge of a raft foundation.
It are a Afrikaans way of saying Raft Foundation.
Types of raft foundation are 1. Solid slab raft 2. Beam and slab raft 3. Cellular rafts
They r the same. There is no difference.
The raft will help to avoid any settlement that would occur to strip the foundation. The mat is just placed there to avoid slipping.
Advantages and Disadvantages of equity
just pour concrete on caison
advantages and disadvantages
If the soil is so lose that it cant hold the building even with pile foundation. So, piled raft foundation is used which make the building to float like a boat. That obeys Archimedes' principle-it is buoyed up by the weight of the earth displaced in creating the foundation.