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Tsugawa

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Tsugawa completed
Tsugawa completed

Particulars

Owner: Okayama Prefecture

Designer: ?

Contractor: Tobishima Construction Co Ltd, Hazama-gumi Construction Co Ltd and Aisawa Construction Co Ltd J.V.

Statistics

Type: Gravity

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

Reservoir capacity: 6 m3x106

Height: 76 metres

Length: 228 metres

Volume of RCC: 222 m3x103

Total volume: 342 m3x103

Construction Dates

Start of Project: 10/89 (October 1989)

Start of RCC: 10/91 (October 1991)

End of RCC: 07/93 (July 1993)

End of Project: 03/94 (March 1994)

Country: Japan

River: Kamo

DMS Co-ordinates: 35˚10'4.72"N, 134˚6'32.91"E

DD Co-ordinates: 35.167976, 134.109146

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.60Traditional concrete against formwork

Downstream

SlopeType
0.76Traditional concrete against formwork

Spillway

SlopeType
0.76Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
250750

Cementitious material

Cement (kg/m3)
96
Pozzolan (kg/m3)Pozzolan Type
24Low-lime flyash (ASTM Class F)