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Kasegawa

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Kasegawa completed
Kasegawa completed

Particulars

Owner: Ministry of Land, Infrastructure, Transport and Tourism

Designer: Yachiyo Engineering Co. Ltd.

Contractor: Kajima Construction Co. Ltd., Aoki-Asunaro Construction Co. Ltd. and Matsuo Construction Co. Ltd.,

Statistics

Type: Gravity

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

Reservoir capacity: 71 m3x106

Height: 99 metres

Length: 456 metres

Volume of RCC: 830 m3x103

Total volume: 948 m3x103

Construction Dates

Start of Project: 02/05 (February 2005)

Start of RCC: 10/07 (October 2007)

End of RCC: 06/09 (June 2009)

End of Project: 03/12 (March 2012)

Country: Japan

River: Kase

DMS Co-ordinates: 33˚23'21.44"N, 130˚13'0.83"E

DD Co-ordinates: 33.389290, 130.216904

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.60Traditional concrete against formwork

Downstream

SlopeType
0.75Traditional concrete against formwork

Spillway

SlopeType
0.75Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
2501000

Cementitious material

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