Reinforced Concrete Roof Slab Design

A concrete roof is exactly what it sounds like.

Reinforced concrete roof slab design.

Contents basics of reinforced concrete slab design1. Roof slabs have an excessive. Steel reinforced slabs typically between 100 and 500 mm thick are most often used to construct floors and ceilings while thinner mud slabs may be used for exterior paving see below in many domestic and industrial buildings a thick concrete slab supported on. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. The slab has to carry a distributed permanent action of 1 0 kn m2 excluding slab self weight and a variable action of 3. Simply supported one way slab a rectangular reinforced concrete slab is simply supported on two masonry walls 250 mm thick and 3 75 m apart. Http goo gl yp7w4l for more free video tutorials covering concrete structural design the objectives of this video are to introduce the design problem unde.

Problems have been identified with the reinforced concrete r c roof slabs over the pump houses that serve bulk fuel installations bfi at some establishments. Effective span of slab2. A solid slab of concrete capping the top of your house. The diameter of bar generally used in slabs are.

It is believed that the design dates from c 1960 and was used upto the mid 1990s for which the r c. Minimum reinforcement is 0 12 for hysd bars and 0 15 for mild steel bars. The construction of the original building consisted of a reinforced concrete frame with cast in situ trough floors. Sufficiently waterproof concrete can be achieved and is regularly used for water tanks ships pipe and more.

For an exposed concrete roof installation it is recommended that a competent concrete mix design consultant or concrete supplier be engaged to assist in the development of the concrete mix to be used. A concrete slab is a common structural element of modern buildings consisting of a flat horizontal surface made of cast concrete. Exact specifications vary but most concrete roofs are several inches thick. 6 mm 8 mm 10 mm 12mm and 16mm.

The maximum diameter of bar used in slab should not exceed 1 8 of the total thickness of slab. An extra floor was required to be constructed which involved converting the original roof slab to a floor slab thereby increasing the live load capacity to 3 kn m 2. 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. 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.