Roof Slab Thickness For 2 Story House

It should come as no wonder then that these are experiencing a serious comeback right now.

Roof slab thickness for 2 story house.

Span length for end span according to aci 8 7 is minimum of. In such applications using size 3 and 4 rebar is common. Around the edge of the slab the concrete forms a beam that is perhaps 2 feet deep. Lb la 24 75 8 3 09 2 one way slab assume 5 slab.

Asd load combinations d h d h l2 0 3 l r s d h lr or s 0 3l 2 d l2 0 3 l r or s d lr or s 0 3 l 2 same as immediately above plus d w d 0 7e 0. Section a a see figure 1 above. Therefore l 8 42 slab thickness hf l 20 0 4 fy 100000 for fy 60000 psi. I l ln hf 8 5 12 8 42 ii c c distance between supports 9 0625 figure 2.

Ask any architect and they ll tell you that hardly any other type of architecture is as timeless and modern as that of flat roof houses. 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. A 4 or 6 inch layer of gravel lies beneath the slab. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

A 4 millimeter sheet of plastic lies between the concrete and the gravel to keep moisture out. The rest of the slab is 4 or 6 inches thick. When accounting for joist width subflooring flooring and standard ceiling drywall a floor framed with 2 by 10s will be very close to 11 1 4 inches thick. Contractors sometimes use the 1 8 rule meaning the size of the rebar is 1 8 the thickness of the slab.

Minimum rcc beam size should not be less than 9 x 9 225mm x 225mm with an additional slab thickness of 125 mm. Influential architects working in the early 1900s such as walter gropius and le corbusier saw ornamentation and traditional styles of architecture as. I maintain a concrete cover of 40 mm. Regardless of how new or modern a house is there is a good chance that it will be topped off with a flat roof now but if you can t picture how great they look we.

For example a slab that is 6 inches thick might have rebar marked as size 6 or 3 4 inch. Slabs for septic tanks may require the use of both welded wire fabric and rebar. A solid slab of concrete capping the top of your house. Exact specifications vary but most concrete roofs are several inches thick.

A concrete roof is exactly what it sounds like. The same floor if framed with 2 by 12s will be 13 1 4 inches thick.