Mat Fondöten. Rafts have other names such as mat foundation ribbed slabs or slab on grade. In other words a shallow foundation.
Rafts take loads came from superstructure of building and spread the loads into a more uniform contact pressure which eliminates the need for individual footing and may be quite useful in weak soils. Mat foundations are appropriate for light pre. Mat Foundation Raft Foundation It is a combined footing that may cover the entire area under a structure supporting several columns and walls.
Mat slab is a hard surface on which all the column or beam are constructed.
A raft foundation also called a mat foundation is essentially a continuous slab resting on the soil that extends over the entire footprint of the building thereby supporting the building and transferring its weight to the ground. Raft foundation also reduces the stress on the soil. A mat foundation is a type of shallow foundation made by pouring concrete over a reinforcing mat of material usually rebar. RAFT or MAT FOUNDATIONS.