Lai Chau
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Lai Chau completed
Particulars
Owner: unknown
Designer: PECC1 (Power Engineering Consulting Company Nº1)
Contractor: Song Da Corporation (SDC)
Statistics
Type: Gravity
Purpose(s): Hydropower
Reservoir capacity: 1215 m3x106
Height: 131 metres
Length: 620 metres
Volume of RCC: 1884 m3x103
Total volume: 2500 m3x103
Construction Dates
Start of Project: 06/10 (June 2010)
Start of RCC: 03/13 (March 2013)
End of RCC: 05/15 (May 2015)
End of Project: 07/17 (July 2017)
Country: Vietnam
River: Song Da (Black River)
DMS Co-ordinates: 22˚08'16.81"N, 102˚59'1.57"E
DD Co-ordinates: 22.138002, 102.983772
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| 0.75 | RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
| 0.75 | Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 60 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 160 | Low-lime flyash (ASTM Class F) |
