First Floor Suspended Concrete Slab Detail

This is one of the types of concrete slabs.

First floor suspended concrete slab detail. Using a composite steel and concrete design the floor slab can be thinner than conventional residential suspended slab systems. In double brick buildings all timber floors are cut in. The slab which is cast on the surface of the earth is called a ground slab. Suspended slabs are made of concrete and steel mesh the same as 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. Slab on ground floors in detail but contained only a limited outline of the alternatives available for suspended floors. Added rooms can use slab on ground or suspended slabs. 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.

They are normally pre fabricated offsite and transported by truck. 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. Detail 21 shows a suspended slab with no beam. There are two types of grade slabs.

Renovations can often incorporate concrete slabs even when the original building does not. 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. The exact thickness of the slab will be calculated by the engineer that designed the reinforcement for the concrete slab. To form this type of slab requires temporary beams columns and plywood as floor supports for the concrete.

Only 6 8 concrete topping required. Beam and block floors systems. Suspended slab supported on a masonry wall. Cut in floors in which the floor is fixed in position after the walls are erected.

Both earlier publications are now superseded. Suspended concrete floors can be constructed using different methods. Before the concrete can be poured in situ to create the suspended first floor concrete slab formwork and shuttering must be erected as follow. Pouring concrete slab on the first floor.

Sand is filled at a height of 0 15m and then sand level is rammed. 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. Grads slab slab on grade.

Timber is the most common form of suspended floor and can be either of the following. 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.