Types Of Concrete Roof Slabs

One way joist slab ribbed slab 3.

Types of concrete roof slabs.

Exact specifications vary but most concrete roofs are several inches thick. 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. 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.

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. Slab with drop and column without column head. Hollow core slab 8. 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.

Waffle slab grid slab 4. A concrete roof is exactly what it sounds like. Roof membrane mechanical fasteners paroc rob 80 t or ros 50t paroc ros 30g paroc ros 30 vapour barrier supporting structure. Beam and block also referred to as rib and block is mostly used in residential and industrial applications.

A solid slab of concrete capping the top of your house. Concrete slab types construction cost and applications 1. One way slabs on beams 2. There are four different types of concrete flat slabs.

Bubble deck slab 10. Slab with drop and column with column head. 7 16 views a and b. Two way slabs on beams 7.

Slab without drop and column with column head. Grid slabs are suitable for spans of 9 15m and live loads of 4 7 kn m2. A hollow core slab which is precast and installed on site with a crane in high. 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.

For multi storey buildings there are several common slab designs see design for more types.