Takizawa
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Takizawa completed
Particulars
Owner: unknown
Designer: Water Resources Development Public Corporation
Contractor: Kajima Construction Co., Ltd., Kumagai-Gumi Co., Ltd. and Zenitaka-Gumi Co., Ltd. J.V.
Statistics
Type: Gravity
Purpose(s): Flood Control / Navigation / Water Supply
Reservoir capacity: 63 m3x106
Height: 139 metres
Length: 424 metres
Volume of RCC: 810 m3x103
Total volume: 1670 m3x103
Construction Dates
Start of Project: 03/99 (March 1999)
Start of RCC: 10/01 (October 2001)
End of RCC: 06/03 (June 2003)
End of Project: 03/07 (March 2007)
Country: Japan
River: Nakatu
DMS Co-ordinates: 35˚57'22.01"N, 138˚53'54.69"E
DD Co-ordinates: 35.956116, 138.898529
Facings
Upstream
| Slope | Type |
|---|---|
| 0.15 | Traditional concrete against formwork |
| 0.70 | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.72 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.72 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 | 1000 |
Cementitious material
| Cement (kg/m3) |
|---|
| 84 |
| 72 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 36 | Low-lime flyash (ASTM Class F) |
| 48 |
