STRUCTURE (PARTS) OF A GRAVITY DAM
Heel: contact with the ground on the upstream side
Toe: contact on the downstream side
Abutment: Sides of the valley on which the structure of the dam rest
Galleries: small rooms like structure left within the dam for checking operations.
Diversion tunnel: Tunnels are constructed for diverting water before the construction of dam. This helps in keeping the river bed dry.
Spillways: It is the arrangement near the top to release the excess water of the reservoir to downstream side
Sluice way: An opening in the dam near the ground level, which is used to clear the silt accumulation in the reservoir side.
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