Tsugawa
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Tsugawa completed
Particulars
Owner: unknown
Designer: ?
Contractor: Tobishima Construction Co Ltd, Hazama-gumi Construction Co Ltd and Aisawa Construction Co Ltd J.V.
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower / Water Supply
Reservoir capacity: 6 m3x106
Height: 76 metres
Length: 228 metres
Volume of RCC: 222 m3x103
Total volume: 342 m3x103
Construction Dates
Start of Project: 10/89 (October 1989)
Start of RCC: 10/91 (October 1991)
End of RCC: 07/93 (July 1993)
End of Project: 03/94 (March 1994)
Country: Japan
River: Kamo
DMS Co-ordinates: 35˚10'4.72"N, 134˚6'32.91"E
DD Co-ordinates: 35.167976, 134.109146
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
| 0.60 | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.76 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.76 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 | 750 |
Cementitious material
| Cement (kg/m3) |
|---|
| 96 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 24 | Low-lime flyash (ASTM Class F) |
