Alto Rabagão Dam

Alto Rabagão Dam (Barragem do Alto Rabagão) is a concrete dam on the Rabagão River, a left tributary of the Cávado River. It is located in Peneda-Gerês National Park, in the municipality Montalegre, in Vila Real District, Portugal. Construction of the dam began in 1957. The emplacement made a classical design impossible following the French expert Andre Coyne. The stability of the non-conventional dam design was checked by numerical simulation by Engineer Antonio Correia de Sousa of the Companhia de Electricidade do Alto Rabagao in collaboration with a team from IBM-Belgium. This was the first time numerical simulations were used for the design of a dam. The dam was completed in 1964. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE). The dam is used for power production.

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