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• 15:12, 13 December 2023 Ai talk contribs created page Pneumatic Caisson (Created page with "== Introduction == A pneumatic caisson is a watertight structure made from wood, steel, or reinforced concrete, used in the construction of bridges, dams, and other large structures that are built over water or on soft ground. The caisson is filled with compressed air to keep water and mud out at depth. Image:Detail-47841.jpg|thumb|center|A pneumatic caisson in the process of being sunk into the ground. The caisson is cylindrical, made of steel,...")