Hayachine
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Hayachine completed
Particulars
Owner: unknown
Designer: Iwate-ken
Contractor: Kajima Construction Co., Ltd. and Sato Kogyo Co., Ltd. J.V.
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower / Irrigation / Water Supply
Reservoir capacity: 17 m3x106
Height: 74 metres
Length: 333 metres
Volume of RCC: 141 m3x103
Total volume: 333 m3x103
Construction Dates
Start of Project: 03/93 (March 1993)
Start of RCC: 10/95 (October 1995)
End of RCC: 06/98 (June 1998)
End of Project: 03/00 (March 2000)
Country: Japan
River: Hienuki
DMS Co-ordinates: 39˚31'53.65"N, 141˚20'21.79"E
DD Co-ordinates: 39.53157, 141.339386
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
| 0.20 | 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) |
|---|
| 84 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 36 | Low-lime flyash (ASTM Class F) |
