...Height 155m, crest length 355.5m, dam volume 660,000m3, reservoir water area 2.7km2, total storage volume 120 millionm3, effective storage volume 94 millionm3. The Azumi Power Station directly below the dam generates 623,000kW of pumped storage power using the downstream Midono Dam (arch dam, height 95.5m) as a lower reservoir, and the combined maximum output of the Midono Dam's Midono Power Station and the downstream Inekoki Dam's Ryujima Power Station (arch dam, height 60m) reaches 900,000kW. When constructing the Nakado Dam, a special construction method was used, such as spraying high-pressure water of 100kgf/cm2 to remove the fault and replace it with concrete, because using explosives to excavate the foundation rock could loosen the surrounding rock. *Some of the terms mentioned in relation to the Azumi Power Plant are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…高さ155m,堤頂長355.5m,堤体積66万m3,貯水池の湛水(たんすい)面積2.7km2,総貯水量1.2億m3,有効貯水量9400万m3。ダム直下の安曇発電所では下流の水殿(みどの)ダム(アーチダム,高さ95.5m)を下池として最大出力62.3万kWの揚水発電を行っており,水殿ダムの水殿発電所,その下流の稲核(いねこき)ダム(アーチダム,高さ60m)の竜島発電所とあわせた最大出力は90万kWに達する。奈川渡ダムの建設にあたっては,基礎岩盤の掘削に火薬を使うと周囲の岩盤を緩めるおそれがあるので,100kgf/cm2の高圧水の噴射で断層を取り除いてコンクリートで置き換えるなど特殊な工法が用いられた。… ※「安曇発電所」について言及している用語解説の一部を掲載しています。 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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