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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. [1] The name waffle comes from the grid pattern created by the reinforcing ribs.
Waffle slab foundations adhere to International Building Code requirements. By 2008, most states put into effect the changes adopted in the 2006 IBC and, in regards to foundations, the on-grade mat foundation has become a more attractive design because, as an engineered system, it already accommodates the 2008 design recommendations, and required no major modifications to bring it into compliance.
[2] [6] Waffle slabs are a common type of hollow-core slab which use the same principle as voided biaxial slabs. However, their voids are placed on the underside of the slab rather than embedded within the slab, leading to lower shear strength and fire resistance. [7]
Ribbed slabs have higher load ratings than corrugated or flat slabs, but are inferior to waffle slabs. [15] A waffle slab gives added strength in both directions using a matrix of recessed segments beneath the slab. [16] This is the same principle used in the ground-bearing version, the waffle slab foundation. Waffle slabs are usually deeper ...
How has the Waffle House Index been used? While the Waffle House Index has been viewed by users on social media as a sign that a storm will be severe, the index was created for a different reason.
The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...
Waffle House is famous for its 24-hour service, waffles and its unofficial storm index. The national restaurant chain rarely closes, often providing food and resources to first responders during ...
A waffle iron is the perfect vessel for making things exactly that; just get ‘em in there for 5 to 10 minutes and let it do its magic. Recipe: Tori Avey Panini waffles