Yongxi Nº3
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Yongxi Nº3 completed

Particulars
Owner: unknown
Designer: East China Investigation & Design Institute of Water Resources and Hydropower, Hangzhou
Contractor: 14th Construction Bureau, MOE & MWR
Statistics
Type: Gravity
Purpose(s): Flood Control / Hydropower / Water Supply
Reservoir capacity: 68 m3x106
Height: 87 metres
Length: 198 metres
Volume of RCC: 170 m3x103
Total volume: 255 m3x103
Construction Dates
Start of Project: 05/96 (May 1996)
Start of RCC: 10/97 (October 1997)
End of RCC: 10/98 (October 1998)
End of Project: 09/99 (September 1999)
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| 0.73 | RCC against precast concrete blocks |
Spillway
| Slope | Type |
|---|---|
| ogee | Traditional concrete against formwork |
| 0.73 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 280 | 3000 |
Cementitious material
| Cement (kg/m3) |
|---|
| 115 |
| 80 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 95 | Low-lime flyash (ASTM Class F) |
| 90 |
