Inekaku Dam - Inekoku Dam

Japanese: 稲核ダム - いねこきだむ
Inekaku Dam - Inekoku Dam

...The Azusa River system generates a maximum output of 960,000 kW (1997) through pumped storage power generation, which is transmitted to the Keihin region. In addition, the Nakanobuhara Agricultural Water Project, which draws water from the Inakane Dam, irrigates 10,000 hectares of the southern Matsumoto Basin. The Azusa River system is also home to many hot springs, including those in Kamikochi, Nakabusa, Sakamaki, and Shirahone.

From [Nakado Dam]

...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 terminology that refers to "Inakaku Dam" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…揚水式発電によって梓川水系では最大出力96万kW(1997)を発電,京浜地方に送電している。なお稲核ダムで引水した中信平農業用水事業によって,松本盆地南部1万haの灌漑がなされている。梓川水系には,上高地,中房,坂巻,白骨(しらほね)などの温泉も多い。…

【奈川渡ダム】より

…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。…

※「稲核ダム」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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