Shogawa Goguchi Dam | |
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Country | Japan |
Location | Shogawa, Toyama Prefecture |
Coordinates | 36°34′30.67″N136°59′44.42″E / 36.5751861°N 136.9956722°E Coordinates: 36°34′30.67″N136°59′44.42″E / 36.5751861°N 136.9956722°E |
Purpose | Irrigation, flood control, power |
Status | Operational |
Construction began | 1934 |
Opening date | 1939 |
Dam and spillways | |
Type of dam | Gravity |
Impounds | Shō River |
Height | 18.5 m (61 ft) |
Length | 103.3 m (339 ft) |
Dam volume | 20,000 m3 (26,000 cu yd) |
Reservoir | |
Total capacity | 626,000 m3 (508 acre⋅ft) |
Active capacity | 405,000 m3 (328 acre⋅ft) |
Catchment area | 1,113 km2 (430 sq mi) |
Surface area | 16 ha (40 acres) |
Power Station | |
Operator(s) | Kansai Electric Power Co., Inc. |
Commission date | Stage I: 13 December 1939 Stage II: 24 March 1967 |
Hydraulic head | Stage I: 17.66 m (57.9 ft) Stage II: 18.22 m (59.8 ft) |
Turbines | Stage I: 2 x 4.2 MW Kaplan-type Stage II: 1 x 15 MW Kaplan-type |
Installed capacity | 23.4 MW [1] [2] |
The Shogawa Goguchi Dam is a gravity dam on the Shō River in Shogawa, Toyama Prefecture, Japan. It was constructed between 1934 and 1939. The dam has an associated 23.4 MW hydroelectric power station which was commissioned in two stages, December 1939 and March 1967. Of the nine dams on the Shō River it is the furthest downstream. [3]
A gravity dam is a dam constructed from concrete or stone masonry and designed to hold back water by primarily using the weight of the material alone to resist the horizontal pressure of water pushing against it. Gravity dams are designed so that each section of the dam is stable, independent of any other dam section.
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