These dams, which are normally shorter than storage dams are used for irrigation developments and for diversion the of water from a stream to a reservoir. Diversion dams are mainly built to lessen the effects of floods and to trap sediment. Overflow dams are designed to carry water which flow over their crests, because of this they must be made of materials which do not erode...
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Diversion dams are mainly built to lessen the effects of floods and to trap sediment. Overflow dams are designed to carry water which flow over their crests, because of this they must be made of materials which do not erode. Non-overflow dams are built not to be overtopped, and they may include earth or rock in their body...
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