Kodama
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Kodama completed
Particulars
Owner: unknown
Designer: Fukushima-ken
Contractor: Taisei Construction Co Ltd, Kajima Co Ltd and Kajiwa-gumi Co Ltd (JV)
Statistics
Type: Gravity
Purpose(s): Flood Control / Water Supply
Reservoir capacity: 14 m3x106
Height: 102 metres
Length: 280 metres
Volume of RCC: 358 m3x103
Total volume: 570 m3x103
Construction Dates
Start of Project: 10/89 (October 1989)
Start of RCC: 05/91 (May 1991)
End of RCC: 12/93 (December 1993)
End of Project: 03/97 (March 1997)
Country: Japan
River: Kodama
DMS Co-ordinates: 37˚7'25.23"N, 140˚49'38.09"E
DD Co-ordinates: 37.123676, 140.82724
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) |
|---|
| 91 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 36 | Ground-granulated blast-furnace slag |
