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A barrage is a type of low-head, diversion dam which consists of a number of large gates that can be opened or closed to control the amount of water passing through. This allows the structure to regulate and stabilize river water elevation upstream for use in irrigation and other systems.
A barrage dam is a special kind of dam that consists of a line of large gates that can be opened or closed to control the amount of water passing the dam. The gates are set between flanking piers which are responsible for supporting the water load, and are often used to control and stabilize water flow for irrigation systems.
A dam is a water reservoir in the ground, confined by a barrier, embankment or excavation, on a pastoral property or similar. The term is found widely in South African, Australian [1] and New Zealand English, and several other English dialects, such as that of Yorkshire. [2] The term can be found in the old English folk song Three Jolly Rogues:
Dam: A dam is a barrier that stops or restricts the flow of surface water or underground streams, or water reservoir resulting from placing such a structure. Delta: the location where a river flows into an ocean, sea, estuary, lake, or reservoir. Distributary or distributary channel: a stream that branches off and flows away from the main ...
Arch style dams are commonly made from concrete. To ensure the dam's integrity, a solid contact between the bedrock foundation and the dam's concrete base is required. The dome style dam is a type of arch dam. The dome style dam curves in both the horizontal plane and vertical plane. The arch style dam only curves in the horizontal. [3]
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Dam design must account for the worst-case, "probable maximum flood" that can be expected at the site; a spillway is often included to route flood flows around the dam. A computer model of the hydraulic basin and rainfall and snowfall records are used to predict the maximum flood.
Barrage (military science), a wide range of structures, devices, or measures for destroying something to constrain or impede the movement of troops and forces. Barrage (artillery), a line or barrier of artillery or depth charge fire; Barrage (dam), a type of dam; Barrage balloon, a tethered balloon used as an obstacle to attacking aircraft