Thickness Of Concrete Roof Slab

In many domestic and industrial buildings a thick concrete slab supported on foundations or directly on the subsoil is used to construct the ground floor.

Thickness of concrete roof slab. Commercial is typically steel w a composite deck so you ll have a 5 6 slab sitting on top of steel beams. Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses. Slab on ground 1 4 minimum thickness of diaphragms. Reinforced concrete slabs are heavier and generate higher seismic forces in an event.

In general 6 inch 150mm slab thickness is considered for residential and commercial buildings with reinforcement details as per design. A concrete roof is exactly what it sounds like. Exact specifications vary but most concrete roofs are several inches thick. With that in mind i ve seen slabs as thick as 16 18 due to column spacing.

For example we build residential in flat plate concrete which will typically have a column spacing of 20 oc and a slab thickness of 8 typ. 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. These slabs are generally classified. The thickness of a slab will depend on the use and span of the slab.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. If reinforced concrete were to be reused strong connections would have to be made between roof and walls. The thickness of slabs with sloping soffits see figure 722 2 2 1 2 shall be determined at a. Thickness of concrete slab depends on loads and size of the slab.

A concrete slab is a common structural element of modern buildings consisting of a flat horizontal surface made of cast concrete. Methods used for finding slab thickness varies for different types of slabs.