Waffle Floor Slab Design

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Waffle floor slab design.

Rib spacing of 600 to 1500 mm can be used. The extended part is known as ribs. The spacing between the ribs should be in general 20 30 inch. 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.

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. 1 2 objectives of study. The name waffle comes from the grid pattern created by the reinforcing ribs. The slab is the flange of the beam and the extended part is the web.

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. The main objective of this project work is to come up with a design of waffle slab. A flat plate system will be. The lateral loads are independently resisted by shear walls.

Slab depths typically vary from 75 to 125 mm and rib widths from 125 to 200 mm.