According to aci committee 336 mat foundation is continuous footing that supports several rows of columns in either direction covering at least 3 4th of total assembly area of columns outer parameter having shape like slab with without opening or.
Define mat or raft.
A raft or mat foundation consists of a large concrete slab or a slab and beam system resting on soil or rock and supporting all the loads through a number of columns or walls.
Raft foundation is also known as mat foundation.
Definition of raft foundation along with working principle when to choose raft types of raft foundation materials of raft foundation raft construction steps etc are discussed below.
Raft definition a more or less rigid floating platform made of buoyant material or materials.
When the raft foundation is supported on piles it is called a piled raft.
Raft slab of uniform thickness is very popular because of simplicity in design construction.
This is tutorial no 3 of raft mat foundation design course this includes adding mat in the cad imported area.