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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 ...
Stuart [1] was the first pioneer to study the interference phenomenon of closely spaced surface strip footing. He examined the effect of footing interference on ultimate bearing capacity of strip footings by theoretical analysis using limit equilibrium method, assuming a non-linear failure surface wherein the cross-section composed of logarithmic spiral and straight line portion tangent to the ...
A strap footing is a component of a building's foundation. It is a type of combined footing, [1] consisting of two or more column footings connected by a concrete beam. This type of beam is called a strap beam. It is used to help distribute the weight of either heavily or eccentrically loaded column footings to adjacent footings. [2]
In a thermal storage wall system, often called a Trombe wall, a massive wall is located directly behind south-facing glass, which absorbs solar energy and releases it selectively towards the building interior at night. The wall can be constructed of cast-in-place concrete, brick, adobe, stone, or solid (or filled) concrete masonry units.
Wall Footing . A wall footing or strip footing is a continuous strip of concrete that serves to spread the weight of a load-bearing wall across an area of soil. [1] It is a component of a shallow foundation. [1] Wall Footing. Wall footings carrying direct vertical loads might be designed either in plain concrete or in reinforced concrete.
Also called strip footing, a wall footing is a continuous strip that supports structural and non-structural load-bearing walls. Found directly under the wall, Its width is commonly 2-3 times wider than the wall above it. [3] Detail Section of a strip footing and its wall.
A building design may have limited capacity for insulation in some areas of the structure. A common construction design is based on stud walls, in which thermal bridges are common in wood or steel studs and joists, which are typically fastened with metal. Notable areas that most commonly lack sufficient insulation are the corners of buildings ...
A slab is ground-bearing if it rests directly on the foundation, otherwise the slab is suspended. [3] For multi-story buildings, there are several common slab designs (see § Design for more types): Beam and block, also referred to as rib and block, is mostly used in residential and industrial applications. This slab type is made up of pre ...