Kengkou
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Kengkou completed
Particulars
Owner: unknown
Designer: Fujian Institute of Investigation and Design of Water Conservancy and Hydropower
Contractor: Fujian (Minjiang) Construction Bureau
Statistics
Type: Gravity
Purpose(s): Hydropower / Water Supply
Reservoir capacity: 27 m3x106
Height: 57 metres
Length: 123 metres
Volume of RCC: 43 m3x103
Total volume: 62 m3x103
Construction Dates
Start of Project: 11/84 (November 1984)
Start of RCC: 11/85 (November 1985)
End of RCC: 04/86 (April 1986)
End of Project: 11/86 (November 1986)
Country: China
River: Youxi
DMS Co-ordinates: 25˚33'25.70"N, 117˚49'33.45"E
DD Co-ordinates: 25.557138, 117.825958
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against precast concrete panels with hot poured membrane |
Downstream
| Slope | Type |
|---|---|
| 0.75 | RCC against precast concrete blocks |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Reinforced concrete cast against precast units or slip-formed facing elements |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 250 & | 250 & |
| 500 | 500 |
Cementitious material
| Cement (kg/m3) |
|---|
| 60 |
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 120 | Low-lime flyash (ASTM Class F) |
| 80 |
