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Hattabara

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Hattabara completed
Hattabara completed

Particulars

Owner: Ministry of Construction

Designer: Ministry of Construction

Contractor: Hazama-gumi Ltd and Omoto Construction Co Ltd

Statistics

Type: Gravity

Purpose(s): Flood Control / Water Supply

Reservoir capacity: 60 m3x106

Height: 85 metres

Length: 325 metres

Volume of RCC: 228 m3x103

Total volume: 500 m3x103

Construction Dates

Start of Project: 08/88 (August 1988)

Start of RCC: /89 ( 1989)

End of RCC: /92 ( 1992)

End of Project: 03/98 (March 1998)

Country: Japan

River: Ashida

DMS Co-ordinates: 34˚35'18.94"N, 133˚8'45.23"E

DD Co-ordinates: 34.588593, 133.145905

Facings

Upstream

SlopeType
VerticalTraditional concrete against formwork
0.20Traditional concrete against formwork

Downstream

SlopeType
0.75Traditional concrete against formwork

Spillway

SlopeType
0.75Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
150  -750
200 

Cementitious material

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