Asahi Ogawa
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Asahi Ogawa completed
Particulars
Owner: unknown
Designer: Toyama-ken
Contractor: Kumagi-Gumi Co Ltd, Kajima Co Ltd and Hayasi Construction Co Ltd (J.V.)
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower
Reservoir capacity: 5 m3x106
Height: 84 metres
Length: 260 metres
Volume of RCC: 268 m3x103
Total volume: 361 m3x103
Construction Dates
Start of Project: 03/83 (March 1983)
Start of RCC: 05/86 (May 1986)
End of RCC: 06/88 (June 1988)
End of Project: 06/90 (June 1990)
Country: Japan
River: Ogawa
DMS Co-ordinates: 36˚53'17.51"N, 137˚37'6.13"E
DD Co-ordinates: 36.888199, 137.618362
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
| 0.90 | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.80 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 180 | 500 |
Cementitious material
| Cement (kg/m3) |
|---|
| 96 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 24 | Low-lime flyash (ASTM Class F) |
