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Takizawa

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Takizawa completed
Takizawa completed

Particulars

Owner: Japan Water Agency

Designer: Water Resources Development Public Corporation

Contractor: Kajima Construction Co., Ltd., Kumagai-Gumi Co., Ltd. and Zenitaka-Gumi Co., Ltd. J.V.

Statistics

Type: Gravity

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

Reservoir capacity: 63 m3x106

Height: 139 metres

Length: 424 metres

Volume of RCC: 810 m3x103

Total volume: 1670 m3x103

Construction Dates

Start of Project: 03/99 (March 1999)

Start of RCC: 10/01 (October 2001)

End of RCC: 06/03 (June 2003)

End of Project: 03/07 (March 2007)

Country: Japan

River: Nakatu

DMS Co-ordinates: 35˚57'22.01"N, 138˚53'54.69"E

DD Co-ordinates: 35.956116, 138.898529

Facings

Upstream

SlopeType
0.15Traditional concrete against formwork
0.70Traditional concrete against formwork

Downstream

SlopeType
0.72Traditional concrete against formwork

Spillway

SlopeType
0.72Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
2501000

Cementitious material

Cement (kg/m3)
84
72
Pozzolan (kg/m3)Pozzolan Type
36Low-lime flyash (ASTM Class F)
48