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Kazunogawa

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Kazunogawa completed
Kazunogawa completed

Particulars

Owner: Tokyo Electric Power Company

Designer: Tokyo Electric Power Co Inc

Contractor: Hazama Co Ltd., Tobishima Construction Co Ltd., Nihon Kokudo Kaihatsu Co Ltd and Toda Construction Co Ltd. J.V.

Statistics

Type: Gravity

Purpose(s): Hydropower

Reservoir capacity: 12 m3x106

Height: 105 metres

Length: 264 metres

Volume of RCC: 428 m3x103

Total volume: 622 m3x103

Construction Dates

Start of Project: 11/92 (November 1992)

Start of RCC: 08/95 (August 1995)

End of RCC: 07/97 (July 1997)

End of Project: 11/99 (November 1999)

Country: Japan

River: Tuchimuro

DMS Co-ordinates: 35˚43'7.71"N, 138˚55'48.19"E

DD Co-ordinates: 35.718807, 138.930054

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.10Traditional concrete against formwork

Downstream

SlopeType
0.82Traditional concrete against formwork

Spillway

SlopeType
0.82Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
1701000

Cementitious material

Cement (kg/m3)
91
84
Pozzolan (kg/m3)Pozzolan Type
39Low-lime flyash (ASTM Class F)
36