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Tobetsu

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Tobetsu completed
Tobetsu completed

Particulars

Owner: Hokkaido Prefecture

Designer: Docon Co. Ltd.

Contractor: Kajima Corp., Takenakadoboku and Iwakura J.V.

Statistics

Type: Hardfill

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

Reservoir capacity: 75 m3x106

Height: 52 metres

Length: 432 metres

Volume of RCC: 665 m3x103

Total volume: 803 m3x103

Construction Dates

Start of Project: 10/08 (October 2008)

Start of RCC: 06/09 (June 2009)

End of RCC: 09/10 (September 2010)

End of Project: 10/12 (October 2012)

Country: Japan

River: Tobetu

DMS Co-ordinates: 43˚19'3.84"N, 141˚33'6.23"E

DD Co-ordinates: 43.317734, 141.551727

Facings

Upstream

SlopeType
0.80Traditional concrete against precast concrete panels

Downstream

SlopeType
0.80Traditional concrete against precast concrete panels

Spillway

SlopeType
0.80Traditional concrete against formwork

Placement

Layers (mm)Lifts (mm)
250750

Cementitious material

Cement (kg/m3)
100
80  60
Pozzolan (kg/m3)Pozzolan Type
0No pozzolan used  -
0