Shimagawa
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Shimagawa completed
Particulars
Owner: unknown
Designer: Gunma-ken
Contractor: Taisei Construction Co Ltd, Sato Kogyo Co Ltd and Hazama-gumi Co Ltd J.V.
Statistics
Type: Gravity
Purpose(s): Flood Control / Water Supply
Reservoir capacity: 9 m3x106
Height: 90 metres
Length: 330 metres
Volume of RCC: 390 m3x103
Total volume: 516 m3x103
Construction Dates
Start of Project: 03/91 (March 1991)
Start of RCC: —/94 (— 1994)
End of RCC: 05/96 (May 1996)
End of Project: 03/98 (March 1998)
Country: Japan
River: Shima
DMS Co-ordinates: 36˚41'47.34"N, 138˚46'53.68"E
DD Co-ordinates: 36.696484, 138.78157
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
| 0.50 | 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) |
|---|---|
| 250 | 750 |
Cementitious material
| Cement (kg/m3) |
|---|
| 84 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 36 | Low-lime flyash (ASTM Class F) |
