Concrete Roof Slab Details

Depending upon the size and number of stories associated with a given project one concrete framing system may have unique benefits over another.

Concrete roof slab details.

Waffle slab is a reinforced concrete roof or floor containing square grids with deep sides and it is also called as grid slabs. Learn more and see projects with hollowcore slabs. One of the most crucial step in building a flat concrete roof is to figure out the size of the concrete block you will need. One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck.

In one way slab main reinforcement is parallel to shorter direction and the reinforcement parallel to longer direction is called distribution steel. If properly constructed the footings are seismic resistant and have been known to last for centuries. Exact specifications vary but most concrete roofs are several inches thick. A solid slab of concrete capping the top of your house.

Spancrete hollowcore precast concrete planks slabs are fire resistant reduce weight and costs. In two way slab main reinforcement is provided along both direction. The slabs having ratio of longer length to its shorter length l y l x greater than 2 is called one way slab otherwise as two way slab. According to the 1995 aci code all two way reinforced concrete slab systems including edge supported slabs flat slabs and flat plates are to be analyzed and designed according to one unified method such as direct design method and equivalent frame method.

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. Concrete slabs can take many forms including prestressed precast and cast in place construction. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. The steel joists will provide a strong foundation for the flat concrete roofing.

Step 3 placing the steel joists. A concrete roof is exactly what it sounds like.