The effectiveness of earth coupling is determined by climate.
Waffle floor details.
Hence it is constructed for airports hospitals temples churches etc.
The lateral loads are independently resisted by shear walls.
A waffle slab or two way joist slab is a concrete slab made of reinforced concrete with concrete ribs running in two directions on its underside.
The load carrying capacity of waffle slab is greater than the other types of slabs.
Waffle slabs are preferred for spans greater than 40 feet 12 m as they are much stronger than flat slabs flat slabs with drop panels two way slabs one way slabs and.
Two way joist concrete slab floor waffle slab system analysis and design design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf and unfactored live load of 100 psf.
The name waffle comes from the grid pattern created by the reinforcing ribs.
They provide good structural stability along with aesthetic appearance.
Detail at slab edge.
Waffle slab with lost filler blocks.
Ribbed floors consisting of equally spaced ribs are usually supported directly by columns they are either one way spanning systems known as ribbed slab or a two way ribbed system known as a waffle slab.
Ribbed waffle slab system.
A flat plate system will be.
Detail at slab edge.
For further details refer to the isothermic maps of australia prepared by david baggs baggs 1991.
This form of construction is not very common because of the formwork costs and the low fire rating.
Concrete floor systems are reinforced slab structures designed to satisfy a range of loading and span conditions in a building.