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.
Waffle floor slab design.
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.
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As a result waffle slabs has been widely used for office buildings hotels auditoriums vestibules theatre halls show rooms of shops where columns free space is often the main requiremen.
Ribbed or waffle slab is a slab system which consists of series of parallel reinforced concrete t beams framing into reinforced concrete girders.
1 2 objectives of study.
Rib spacing of 600 to 1500 mm can be used.
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 spacing between the ribs should be in general 20 30 inch.
The extended part is known as ribs.
The lateral loads are independently resisted by shear walls.
A flat plate system will be.
The main objective of this project work is to come up with a design of waffle slab.
The name waffle comes from the grid pattern created by the reinforcing ribs.