Reinforced Concrete Flat Roof Detail

Flat roof designing buildings wiki share your construction industry knowledge.

Reinforced concrete flat roof detail. Oct 4 2017 flat concrete roof construction details detail drawings. 12 waterproofing of reinforced concrete flat roof 12 1 background most roofs in singapore are constructed using reinforced concrete which is known to have pores or capillary tracts. Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses. If reinforced concrete were to be reused strong connections would have to be made between roof and walls.

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. I ii stability strength. The steel joists will provide a strong foundation for the flat concrete. Reinforced concrete flat roof.

Step 3 placing the steel joists. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab. Reinforced concrete slabs are heavier and generate higher seismic forces in an event. Depending on the designed strength density and installation techniques the number of pores can vary.

A flat roof is a roof that is completely or almost level. Definition i roof platform which is either horizontal or inclined up to 10 degrees to prevent ponding ii usually sorrounded by fascia parapet wall. Typically they are designed to have a minimum fall of 1 40 which given on site inaccuracies should. However the complexity of the generalized approach.

Iii suitable for large ang tall building. It dealt in detail with flat roof constructions and can be regarded as one of the first guidelines for such roofs fig. These pores are interconnected within the concrete. A solid slab of concrete capping the top of your house.

Exact specifications vary but most concrete roofs are several inches thick. 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. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.