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Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure [1] used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, [2] or for the repair of ships.
Caisson (French for "box") may refer to: Caisson (engineering), a sealed underwater structure; Caisson (vehicle), a two-wheeled cart for carrying ammunition, also used in certain state and military funerals; Caisson (Asian architecture), a spider web ceiling; Caisson (lock gate), a gate for a dock or lock, constructed as a floating caisson
Rolling caissons are a development of sliding caissons fitted with rollers beneath. These do not rely solely on buoyancy to make them portable and so are easier to operate. [7] The caisson may only need to be lifted a few inches to make it movable on its track, which significantly reduces the ballast pumping time compared to a ship caisson.
Horse artillery—rows of limbers and caissons, each pulled by teams of six horses with three postilion riders and an escort on horseback (1933, Poland). A limber is a two-wheeled cart designed to support the trail of an artillery piece, or the stock of a field carriage such as a caisson or traveling forge, allowing it to be towed.
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Decompression sickness (DCS; also called divers' disease, the bends, aerobullosis, and caisson disease) is a medical condition caused by dissolved gases emerging from solution as bubbles inside the body tissues during decompression.
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Commonly called a collector well but sometimes referred to by the trade name Ranney well or Ranney collector, this type of well involves sinking a caisson vertically below the top of the aquifer and then advancing lateral collectors out of the caisson and beneath the surface water body. Pumping from within the caisson induces infiltration of ...