Slab on the ground
The slab on the ground is constructed similar to the stiffened raft, however, it does not require internal stiffening beams and can only be constructed on Class A or Class S sites.
![Diagram of a section showing slab on ground design. The concrete slab rests on top a vapour barrier and bedding sand with two beams (300 mm) on either side.](images/page_003b.gif)
Section showing slab on ground design
![Photo of a concrete slab on the ground.](images/page_003a.jpg)
Concrete slab on the ground
Refer to Figure 3.2.5.3 (a) of the Building Code of Australia.