Types Of Concrete Roof Slabs

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Types of concrete roof slabs. Precast concrete floors roof slabs walls and partitions the most commonly used precast slabs or panels for floor and roof decks are the channel and double t types fig. There are four different types of concrete flat slabs. One way joist slab ribbed slab 3. Slab without drop and column with column head.

Constructing the concrete roof deck. For multi storey buildings there are several common slab designs see design for more types. The channel slabs vary in size with a depth ranging from 9 to 12 in width 2 to 5 ft and a thickness of 1 to 2 in. Hollow core slab 8.

Beam and block also referred to as rib and block is mostly used in residential and industrial applications. One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck. Waffle slab grid slab 4. Exact specifications vary but most concrete roofs are several inches thick.

Grid slabs are suitable for spans of 9 15m and live loads of 4 7 kn m2. Waffle slab construction process includes fixing forms placement of pods on shuttering installation of reinforcement between pods installation of steel mesh on top of pods and pouring of concrete. Two way slabs on beams 7. A hollow core slab which is precast and installed on site with a crane in high.

Concrete slab types construction cost and applications 1. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Slab with drop and column without column head. This type of slab contains square grids with deep sides.

Constructing a concrete slab for a structural roof is different from that for building a slab on the ground in that attention must concern two important objectives. Slab with drop and column with column head. A solid slab of concrete capping the top of your house. Bubble deck slab 10.

One way slabs on beams 2.