Concrete Slab Roof Thickness

Cast of roof slab reinforcement main bar and cross bar in distributed over shuttering areas of roof slab and then we put concrete mix of m20 or m25 grade of concrete that is known as roof slab casting.

Concrete slab roof thickness.

Waffle slab is a reinforced concrete roof or floor containing square grids with deep sides and it is also called as grid slabs. Minimum thickness of concrete structural elements based on aci 318 14 irc 2009 is 456 2000 and ubc 1997 is presented. 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. A concrete roof is exactly what it sounds like.

Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses. Reinforced concrete slabs are heavier and generate higher seismic forces in an event. Minimum thickness of concrete slab beam column foundation and other structural members is selected to meet the design requirements as per standard codes. The thickness of the flat slab is minimum 8 or 0 2m.

Even though a treated concrete slab is waterproof standing water on a roof terrace should be avoided and so all roof terrace slabs should. The simplest way to construct a roof terrace is by utilising a concrete slab. This kind of slab is majorly used at the entrance of hotels malls restaurants for good pictorial view and to install artificial lighting. A solid slab of concrete capping the top of your house.

Because typical concrete is porous it needs to be treated with an additive such as xypex which makes the concrete waterproof. If reinforced concrete were to be reused strong connections would have to be made between roof and walls. The thickness of concrete is an important factor in load bearing strength but to conserve resources and avoid over building other factors are also taken into consideration. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

1000 sq ft concrete slab. Design process includes proper assumption of structural element sizes and then check. Exact specifications vary but most concrete roofs are several inches thick.