Author(s): Miguel Angel Ramirez; Luis De La Torre; Rafael Chacon; Alberto Duque
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Abstract: The Alto Tamega Dam is a concrete double-curved arch dam with a maximum height of 104,5 m. This dam creates a reservoir with a capacity of 131,71 Hm3 for the top water level. The floods are relieved through two lateral spillways, with the intake structure on the abutments of the dam. Both spillways are made up of two independent open channels controlled by floodgates, which run along both banks and are excavated in the rock ending in a ski jump terminal structure. The spillways are designed for a recurrence period of 10.000 years corresponding to a total flow of 1.826,75 m3/s, with 913,37 m3/s being discharged in each of four channels, for the maximum water level.
Year: 2024