Because typical concrete is porous it needs to be treated with an additive such as xypex which makes the concrete waterproof.
Residential concrete slab roof design.
For wood design chapters 5 6 and 7 use asd.
Floor slabs can range from a simple residential basement slab to a heavy duty industrial floor.
One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck.
Exact specifications vary but most concrete roofs are several inches thick.
Design criteria and specifications.
All slab on grade continuous footing pads pole footing f c 2500 psi.
Concrete compressive strength fc 3 ksi.
The design or nominal loads should be determined in accordance with this chapter.
Rcc slab roof design example structural concrete roof or slab is made waterproof by applying stabilised bitumen sheets the floor is first cleaned and then some bitumen is sprinkled over the surface and then bitumen stabilised sheets are rolled over the surface and joined with other at edges by applying heat through gas torch.
This slab lies below the actual slab and above the door sill level.
Design loads for residential buildings.
Steel yield strength fy 40 ksi.
Design the roof slab beam and column of house given in figure 1.
The slab which provided above the door for storage purpose is called low roof slab.
This type of slab is closed at all ends and open at one end.
Astm c90 grade n medium weight solid grouted all cells.
A solid slab of concrete capping the top of your house.
These types of concrete slabs are used in houses.
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.
Constructing a concrete slab for a structural roof is different from that for building a slab on the ground in that attention must concern two important objectives.
Matthew stuart p e s e f asce secb course content slab on grades construction.
The colour and material of the roof complement the structural integrity of a building.
Poorly constructed roofs endanger the people living in a building so you need to make the roof compatible to the rest of the building in a well engineered style.
The construction and design of concrete slabs on grade d.
Introduction concrete slabs on grade are a very common type of concrete construction.
Roof diaphragm design shearwall design continuous footing design.
And e design earthquake load.
A concrete roof is exactly what it sounds like.
For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.
If the plan is not to install roofing.
A roof is an integral part of a building and people try to personalise the roof designs to achieve optimum architectural splendour.
S design roof snow load.