Waffle Floor Details

A flat plate system will be.

Waffle floor details.

Waffle slabs are used for larger span slabs or floors and used when there is limited requirement for number of columns. Ribbed waffle slab system. This form of construction is not very common because of the formwork costs and the low fire rating. 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 effectiveness of earth coupling is determined by climate. Concrete floor systems are reinforced slab structures designed to satisfy a range of loading and span conditions in a building. Hence it is constructed for airports hospitals temples churches etc. Slab insulation can be done with large sheets of high density foam laid all the way under the internal floor panels with only the edge and internal beams penetrating to foundation level.

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. The lateral loads are independently resisted by shear walls.

They provide good structural stability along with aesthetic appearance. 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. Detail at slab edge. The name waffle comes from the grid pattern created by the reinforcing ribs.

The load carrying capacity of waffle slab is greater than the other types of slabs.