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Alpe Gera Dam
The Alpe Gera Dam is a gravity dam on the Cormor River northeast of Sondrio in the Lombardy region of Italy. It is tall and supports a 35 MW hydroelectric power station.〔(【引用サイトリンク】url=http://web.tiscali.it/sndcagliari/Schede/Alpe_Gera_en.htm )〕
The dam was constructed between 1958 and 1964 and is best known for the concrete placement techniques used during its construction. Instead of concrete being poured into conventional monoliths, it was poured in layers with a lean mix. Next, the concrete was settled with immersed vibrators and then contraction joints were cut into the layer. These methods were not only cost-saving but instrumental in the development of roller-compacted concrete in dam construction.
==See also==
*List of tallest dams in the world
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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