Reinforced Concrete Roof Slab

On the basis of reinforcement provided beam support and the ratio of the spans slabs are generally classified into one way slab and two way slab.

Reinforced concrete roof slab.

Slabs may span in one direction or in two directions and they may be supported on monolithic concrete beams steel beams walls or directly by the structure s columns. Contents basics of reinforced concrete slab design1. A reinforced concrete slab is a crucial structural element and is used to provide flat surfaces floors and ceilings in buildings. Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses.

Exact specifications vary but most concrete roofs are several inches thick. Concrete slab design proceduredesign of continuous slab basics of reinforced concrete slab design slabs are generally designed on the assumption that they consists of a number of beams of breadth one meter. A concrete roof is exactly what it sounds like. The only known roof systems that have consistently survived high category hurricane and tornado velocity winds have been built with structural reinforced concrete decks securely and sufficiently connected to structural reinforced concrete or reinforced concrete block walls.

A concrete slab is a common structural element of modern buildings consisting of a flat horizontal surface made of cast concrete. Insulated reinforced concrete roof decks. This kind of slab is majorly used at the entrance of hotels malls restaurants for good pictorial view and to install artificial lighting. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

The floor system of a structure can take many forms such as in situ solid slabs ribbed slabs or precast units. 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. Reinforced concrete slabs are used in floors roofs and walls of buildings and as the decks of bridges. Reinforced concrete slabs are heavier and generate higher seismic forces in an event.

Effective span of slab2. Step 3 placing the steel joists. A solid slab of concrete capping the top of your house. 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.

The steel joists will provide a strong foundation for the flat concrete roofing. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab.