Longshou Nº1
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Longshou Nº1 completed
Particulars
Owner: unknown
Designer: Guijang Institute of Investigation and Design of Water Conservancy and Hydropower in Gansu Province
Contractor: 4th Construction Bureau
Statistics
Type: Arch-Gravity
Purpose(s): Hydropower
Reservoir capacity: 13 m3x106
Height: 80 metres
Length: 258 metres
Volume of RCC: 187 m3x103
Total volume: 210 m3x103
Construction Dates
Start of Project: 04/99 (April 1999)
Start of RCC: 03/00 (March 2000)
End of RCC: 06/01 (June 2001)
End of Project: 09/01 (September 2001)
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | Traditional concrete against formwork |
| 0.20 | Traditional concrete against formwork |
Downstream
| Slope | Type |
|---|---|
| 0.75 | Traditional concrete against formwork |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Traditional concrete against formwork |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 3000 |
Cementitious material
| Cement (kg/m3) |
|---|
| 96 |
| 58 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 109 | Low-lime flyash (ASTM Class F) |
| 113 |
