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Tsugaru

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Tsugaru completed
Tsugaru completed

Particulars

Owner: Ministry of Land, Infrastructure, Transport and Tourism

Designer: Crearia Inc.

Contractor: Hazama-Ando and Nishimatsu

Statistics

Type: Gravity

Purpose(s): Flood Control / Hydropower / Irrigation

Reservoir capacity: 141 m3x106

Height: 97 metres

Length: 342 metres

Volume of RCC: 500 m3x103

Total volume: 717 m3x103

Construction Dates

Start of Project: 10/08 (October 2008)

Start of RCC: 05/10 (May 2010)

End of RCC: 08/14 (August 2014)

End of Project: 03/16 (March 2016)

Country: Japan

River: Iwaki

DMS Co-ordinates: 40˚32'18.05"N, 140˚15'38.07"E

DD Co-ordinates: 40.538345, 140.260574

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
1.00Traditional concrete against formwork

Downstream

SlopeType
0.74Traditional concrete against formwork

Spillway

SlopeType
0.74Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
2501000

Cementitious material

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