Tsugaru
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Tsugaru completed
Particulars
Owner: unknown
Designer: Crearia Inc.
Contractor: Hazama-Ando and Nishimatsu
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower / Irrigation
Reservoir capacity: 141 m3x106
Height: 97 metres
Length: 342 metres
Volume of RCC: 500 m3x103
Total volume: 717 m3x103
Construction Dates
Start of Project: 10/08 (October 2008)
Start of RCC: 05/10 (May 2010)
End of RCC: 08/14 (August 2014)
End of Project: 03/16 (March 2016)
Country: Japan
River: Iwaki
DMS Co-ordinates: 40˚32'18.05"N, 140˚15'38.07"E
DD Co-ordinates: 40.538345, 140.260574
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
| 1.00 | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.74 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.74 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 | 1000 |
Cementitious material
| Cement (kg/m3) |
|---|
| 91 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 39 | Low-lime flyash (ASTM Class F) |
