First Floor Suspended Concrete Slab Detail

Suspended slabs are made of concrete and steel mesh the same as a ground slab.

First floor suspended concrete slab detail.

Added rooms can use slab on ground or suspended slabs. The ground floor is made up of suspended concrete slab or beam and block floor supported by the external and internal load bearing walls which transfer the loads to the foundations below. Before the concrete can be poured in situ to create the suspended first floor concrete slab formwork and shuttering must be erected as follow. The exact thickness of the slab will be calculated by the engineer that designed the reinforcement for the concrete slab.

Beam and block floors systems. To form this type of slab requires temporary beams columns and plywood as floor supports for the concrete. Suspended floors are also used when the water table is high or when aggressive chemicals are present in the soil that may attack the concrete slab. They can be cast in situ reinforced concrete slabs precast concrete planks or slabs or the focus of this article beam and block floors.

Cut in floors in which the floor is fixed in position after the walls are erected. Pouring concrete slab on the first floor. Renovations can often incorporate concrete slabs even when the original building does not. This type of slab is used on the basement floor.

Detail 21 shows a suspended slab with no beam. In double brick buildings all timber floors are cut in. Only 6 8 concrete topping required. Timber is the most common form of suspended floor and can be either of the following.

The slab which is cast on the surface of the earth is called a ground slab. This slab design can only work for a slab clear span of 14 feet which is only good for one car garage 2 cars if parked behind the other not side by side. Some slabs have hollow channels running through them these hollow core slabs are used to help reduce weight and also to allow cabling and piping to be run through the slab. Sand is filled at a height of 0 15m and then sand level is rammed.

Both earlier publications are now superseded. When renovating rooms with timber floors it is often possible to replace the timber with a concrete slab for added thermal mass and quietness underfoot. Using a composite steel and concrete design the floor slab can be thinner than conventional residential suspended slab systems. There are two types of grade slabs.

Comprehensive information on the latter was at that time provided in the association s companion publication guide to suspended concrete floors for houses t40 published in 1991. Usually after casting plinth beams. Suspended slab supported on a masonry wall. This is one of the types of concrete slabs.

Grads slab slab on grade. This results in a cost savings in concrete of 25 50.