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Chubetsu

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Chubetsu completed
Chubetsu completed

Particulars

Owner: Ministry of Land, Infrastructure and Transport

Designer: Ministry of Land, Infrastructure and Transport

Contractor: Taisei Construction Co Ltd., Chisaki Kougyo Co Ltd. J.V. and Takenaka Doboko Co Ltd

Statistics

Type: Gravity

Purpose(s): Flood Control / Hydropower / Irrigation / Water Supply

Reservoir capacity: 93 m3x106

Height: 86 metres

Length: 290 metres

Volume of RCC: 523 m3x103

Total volume: 1007 m3x103

Construction Dates

Start of Project: 03/94 (March 1994)

Start of RCC: 09/97 (September 1997)

End of RCC: 08/01 (August 2001)

End of Project: 03/04 (March 2004)

Country: Japan

River: Chubetu

DMS Co-ordinates: 43˚37'32.69"N, 142˚37'35.95"E

DD Co-ordinates: 43.625748, 142.626648

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.80Traditional concrete against formwork

Downstream

SlopeType
0.80Traditional concrete against formwork

Spillway

SlopeType
0.80Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
250750
 1000

Cementitious material

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