| Changuinola Dam | |
| Name Official: | Changuinola I Dam |
| Location: | Panama |
| Dam Type: | Arch-gravity, roller compacted concrete |
| Dam Length: | 600m (2,000feet) |
| Dam Height: | 99.2m (325.5feet) |
| Dam Volume: | 890000m2 |
| Res Elevation: | 165m (541feet) |
| Plant Turbines: | 2 x 106.4MW Francis-type, 1 x 9.66MW |
| Plant Capacity: | 223MW |
| Plant Annual Gen: | 1046GWh |
| Location Map: | Panama |
| Coordinates: | 9.2366°N -82.4948°W |
Changuinola I Dam, is located in district of Changuinola, in the Province of Bocas del Toro, in the western part of Panama. It is the largest roller-compacted concrete arch-gravity dam in the World.
The design of the dam was conducted by Malcolm Dunstan & Associates engineering and construction company.[1]
The construction of the dam started on October 25, 2007 and its first generator was operational on November 19, 2011. The roller-compacted concrete arch-gravity dam has a maximum height of and length of . The upstream vertical face arch radius is . The induced joints are spaced at intervals, with inducers installed in every second layer after compaction. The downstream face slope varies form 0.5:1 (H:V) in the center and 0.7:1 (H:V) on the flanks.[2]
The RCC mix strength requirements were determined by a target direct tensile strength of . The composition of the high-paste RCC mix included: