Mano
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Mano completed
Particulars
Owner: unknown
Designer: Fukushima-ken
Contractor: Nishimatsu Construction Co Ltd and Mitsui Construction Co Ltd (J.V.)
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower / Water Supply
Reservoir capacity: 36 m3x106
Height: 69 metres
Length: 239 metres
Volume of RCC: 104 m3x103
Total volume: 219 m3x103
Construction Dates
Start of Project: 12/83 (December 1983)
Start of RCC: 04/85 (April 1985)
End of RCC: 01/88 (January 1988)
End of Project: 03/90 (March 1990)
Country: Japan
River: Mano
DMS Co-ordinates: 37˚43'7.09"N, 140˚49'59.17"E
DD Co-ordinates: 37.718636, 140.833099
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | 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) |
