A gravity arch dam completed in 1935 in the Black Canyon of the Colorado River on the border between Arizona and Nevada in the southwestern United States. It was called Boulder Dam until it was renamed Hoover Dam in 1947 in honor of President H. Hoover. Its height is 221m, crest length is 379m, and dam volume is 3.36 million m3. The reservoir, Lake Mead, has a total storage capacity of 36.7 billion m3, and the power plant directly below the dam generates a maximum output of 1.35 million kW, which is used for various purposes such as irrigation of the Yuma Plains and urban water supply for the city of Los Angeles. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
アメリカ南西部アリゾナ州とネバダ州の境のコロラド川ブラック・キャニオンに,1935年に完成した重力式アーチダム。47年に大統領のH.フーバーを記念してフーバー・ダムと改称されるまではボールダー・ダムBoulder Damと呼ばれた。高さ221m,堤頂長379m,堤体積336万m3。貯水池のミード湖Lake Meadの総貯水量367億m3で,ダム直下の発電所で最大出力135万kWの発電をし,ユマ平原の灌漑,ロサンゼルス市の都市用水補給など多目的に利用されている。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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