Reinforced Concrete Flat Roof Construction Details

Department of civil engineering n w f p uet peshawar design of reinforced concrete components of a house.

Reinforced concrete flat roof construction details.

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. The roof should incorporate insulation and usually a vapour control layer to protect from interstitial condensation. Lb la 16 12 1 33 2 two way slab minimum depth of two way slab is given by formula hmin perimeter 180 2 16 12 12 180 3 73 in assume h 5. Cross section of a typical cast in place reinforced concrete roof deck formed with one of the typical icf planks shown in figure above.

A concrete roof is exactly what it sounds like. For a roof to be effective surface water should be discharged quickly without ponding or stagnation. The first flat roofs in central europe wood cement roofs and early reinforced concrete. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab.

Ridge and valley beams. A concrete slab flat roof is normally made up of a structural layer of concrete finished with a smooth screed onto which a water proof layer such as a membrane is laid. Proper design of falls in reinforced concrete flat roofs is most important in creating flow paths to suitable discharge points. Qaisar ali http www eec edu pk page 5 of 24.

The steel joists will provide a strong foundation for the flat concrete roofing. The sheet metal channels embedded in the eps adjacent to the concrete beam stems are the screw strips for subsequently affixing the drywall. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Because typical concrete is porous it needs to be treated with an additive such as xypex which makes the concrete waterproof.

Next it is important to select the appropriate waterproofing membrane. Basic construction guide of reinforced concrete roof with construction mixer. Exact specifications vary but most concrete roofs are several inches thick. A solid slab of concrete capping the top of your house.

The evolution of the flat roof roofs of earth and loam archetypal forms renaissance and baroque. As the roof is constantly exposed to direct.