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Kodama

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Kodama completed
Kodama completed

Particulars

Owner: Fukushima Prefecture

Designer: Fukushima-ken

Contractor: Taisei Construction Co Ltd, Kajima Co Ltd and Kajiwa-gumi Co Ltd (JV)

Statistics

Type: Gravity

Purpose(s): Flood Control / Water Supply

Reservoir capacity: 14 m3x106

Height: 102 metres

Length: 280 metres

Volume of RCC: 358 m3x103

Total volume: 570 m3x103

Construction Dates

Start of Project: 10/89 (October 1989)

Start of RCC: 05/91 (May 1991)

End of RCC: 12/93 (December 1993)

End of Project: 03/97 (March 1997)

Country: Japan

River: Kodama

DMS Co-ordinates: 37˚7'25.23"N, 140˚49'38.09"E

DD Co-ordinates: 37.123676, 140.827240

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.20Traditional 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)
91
Pozzolan (kg/m3)Pozzolan Type
36Ground-granulated blast-furnace slag