Changuinola 1
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Changuinola 1 completed
Particulars
Owner: unknown
Designer: Vattenfall & MD&A
Contractor: CCWJV (JV of Pihl and son, M.T. Hojgaard & Alstrom)
Statistics
Type: Arch-Gravity
Purpose(s): Hydropower
Reservoir capacity: 347 m3x106
Height: 105 metres
Length: 595 metres
Volume of RCC: 884 m3x103
Total volume: 910 m3x103
Construction Dates
Start of Project: 04/07 (April 2007)
Start of RCC: 12/09 (December 2009)
End of RCC: 04/11 (April 2011)
End of Project: 10/11 (October 2011)
Country: Panama
River: Changuinola
DMS Co-ordinates: 9˚14'11.63"N, 82˚29'41.13"W
DD Co-ordinates: 9.236564, -82.494759
Facings
Upstream
| Slope | Type |
|---|---|
| Vertical | RCC against formwork (GEVR/GE-RCC) |
Downstream
| Slope | Type |
|---|---|
| 0.50 | RCC against formwork (GEVR/GE-RCC) [stepped face] |
| 0.70 | RCC against formwork (GEVR/GE-RCC) [stepped face] |
Spillway
| Slope | Type |
|---|---|
| 0.50 | Reinforced conventional concrete cast after RCC placement |
Placement
| Layers (mm) | Lifts (mm) |
|---|---|
| 300 | 300 |
Cementitious material
| Cement (kg/m3) |
|---|
| 70 |
| 65 |
| Pozzolan (kg/m3) | Pozzolan Type |
|---|---|
| 145 | Low-lime flyash (ASTM Class F) |
| 150 |
