Types Of Concrete Roof Slabs

Slab with drop and column with column head.

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. Bubble deck slab 10. Two way slabs on beams 7. 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.

Constructing the concrete roof deck. Roof membrane mechanical fasteners paroc rob 80 t or ros 50t paroc ros 30g paroc ros 30 vapour barrier supporting structure. 7 16 views a and b. Slab with drop and column without column head.

A solid slab of concrete capping the top of your house. Slab without drop and column with column head. This type of slab contains square grids with deep sides. A hollow core slab which is precast and installed on site with a crane in high.

Grid slabs are suitable for spans of 9 15m and live loads of 4 7 kn m2. Slab without drop and column without column head capital. One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck. One way joist slab ribbed slab 3.

Exact specifications vary but most concrete roofs are several inches thick. For multi storey buildings there are several common slab designs see design for more types. Beam and block also referred to as rib and block is mostly used in residential and industrial applications. 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.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. One way slabs on beams 2. Waffle slab grid slab 4. Hollow core slab 8.

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.