Tobetsu
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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: Tobetsu
DMS Co-ordinates: 43˚19'3.71"N, 141˚33'46.23"E
DD Co-ordinates: 43.317696, 141.562836
Facings
Upstream
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against precast concrete panels |
Downstream
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against precast concrete panels |
Spillway
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 | 750 |
Cementitious material
| Cement (kg/m3) |
|---|
| 100 |
| 80 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 0 | No pozzolan used |
| 0 |