Thickness Of Roof Slab In India

Bd as per is456 2000.

Thickness of roof slab in india.

A concrete roof is exactly what it sounds like. Exact specifications vary but most concrete roofs are several inches thick. I maintain a concrete cover of 40 mm. A solid slab of concrete capping the top of your house.

The centering contractor has made roofing by having flat surface from bottom of slab and sloping on top surface of slab for easy flow of rain water. Minimum thickness of concrete slab beam column foundation and other structural members is selected to meet the design requirements as per standard codes. The reinforcement details for rcc roof can be categorized in two ways. The size of roof is 41 50 ft x 38 20 ft 1585 30 sq ft.

Main steel bars of 8mm and distribution steel bars of 6mm. I generally use a minimum of 4 bars with 2 bars of 12 mm thickness in the bottom of the beam and 2 bars of 10 mm at the top of the beam. During harmattan and rainy period solar energy is to be supplemented by fuelwood for water heating. The minimum percentage of reinforcement is 0 15 for mild steel and 0 12 for hysd bar of the total cross sectional area of slab i e.

Roof slab thickness 5 length of slab 40 breadth of slab 25 area of slab 25 40 1000sqft m 20 mix 1 1 5 3 concrete. However in general the thickness of rcc slab should be 4 5 thick. For beam it should be 16mm and 12 mm as per span. Design process includes proper assumption of structural element sizes and then check hellip.

Slab roof of the conventional kitchen with a storage tank to provide about 0 2 m 3 of hot water of 50 65 c for various domestic purposes. Minimum rcc beam size should not be less than 9 x 9 225mm x 225mm with an additional slab thickness of 125 mm. For slab thickness it is advised to keep it at least 5 because at some places the slab depth can be less due to electrical pipes and internal wiring. 1000 sq ft concrete slab cost in india given dimensions roof slab thickness ranging between 4 inch to 6 inch but in this calculation we take roof slab thickness is 5 inch.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. Diameter of reinforcing bar shall not exceed one eight of the total thickness of the slab i e. Ms steel for slab for main bar should be 10mm and for distribution 8mm or 10 mm. The thickness of slab and ms steel arrangement is according to design based on span and loading condition.

Minimum thickness of concrete structural elements based on aci 318 14 irc 2009 is 456 2000 and ubc 1997 is presented.