Engineer Souza Dias Dam
Engineer Souza Dias Dam: An Overview
The Engineer Souza Dias Dam, previously known as the Jupiá Dam, stands as a significant engineering achievement on the Paraná River, located near Três Lagoas in the state of Mato Grosso do Sul, Brazil. This embankment dam was constructed primarily for hydroelectric power generation, flood control, and navigation. The journey to its completion began in 1951 when initial studies recommended its construction alongside the Ilha Solteira Dam. After years of planning and development, the dam was officially inaugurated in 1968, with its power generation facilities being commissioned between 1969 and 1974. This article explores the dam’s structure, functionality, and impact on the region.
Construction and Design
The Engineer Souza Dias Dam is an impressive structure that rises to a height of 53 meters (174 feet) and stretches over 5,495 meters (18,028 feet) in length. It features a combination of concrete gravity and embankment design, which allows it to effectively manage water flow while providing stability and strength. The concrete section of the dam includes essential components such as the power plant, navigation lock, and spillway, measuring 1,040 meters (3,410 feet) long. Flanking this concrete core are earth-fill embankments that measure 2,070 meters (6,790 feet) on the right side and 2,385 meters (7,825 feet) on the left.
Reservoir Features
The reservoir created by the Engineer Souza Dias Dam is noteworthy for its substantial capacity of 3.353 cubic kilometers (2,718,000 acre-feet), with approximately 900 million cubic meters (730,000 acre-feet) designated as active or “useful” storage. Covering a catchment area of about 470,000 square kilometers (180,000 square miles), this reservoir has a surface area of approximately 330 square kilometers (130 square miles). Such dimensions not only facilitate hydroelectric production but also play a crucial role in regional flood management.
Spillway and Discharge Capacity
A critical aspect of the dam’s design is its spillway, which consists of 37 floodgates. Each gate has a discharge capacity of 1,208 cubic meters per second (42,700 cubic feet per second), culminating in an impressive total discharge capability of 44,696 cubic meters per second (1,578,400 cubic feet per second). This robust infrastructure is designed to manage fluctuations in river flow effectively. The long-term average flow at the dam is recorded at 6,350 cubic meters per second (224,000 cubic feet per second), with a historical peak flow reaching an astounding 28,943 cubic meters per second (1,022,100 cubic feet per second) on October 2, 1983.
Hydroelectric Power Generation
The primary purpose of the Engineer Souza Dias Dam is hydroelectric power generation. The facility houses a power station equipped with fourteen Kaplan turbine generators, each rated at 110.8 megawatts (148,600 horsepower). This results in a total installed capacity of an impressive 1,551.2 megawatts (2,080,200 horsepower). In addition to these primary generators, two service generators with a capacity of 5 megawatts (6,700 horsepower) are installed to ensure that the dam’s operational facilities are adequately powered.
Water Discharge Capabilities
The generators at the dam are designed to discharge water at a rate of 6,440 cubic meters per second (227,000 cubic feet per second). When combined with the spillway discharge capabilities previously mentioned, the total water discharge potential of the Engineer Souza Dias Dam reaches approximately 50,130 cubic meters per second (1,770,000 cubic feet per second) when operating at a reservoir elevation of 280.5 meters (920 feet) above sea level. This remarkable capacity underscores the dam’s vital role in both energy production and flood mitigation.
Navigation Lock and Economic Impact
An integral feature of the Engineer Souza Dias Dam is its navigation lock. Measuring 210 meters (690 feet) long and 17 meters (56 feet) wide, this lock facilitates transportation along the Paraná and Tietê Rivers. Officially inaugurated in January 1998, it plays a key role in promoting trade and commerce in the region by allowing vessels to navigate through varying water levels caused by dam operations.
The presence of the dam has had substantial economic implications for both local communities and broader regional development. By generating renewable energy through hydroelectric means, it contributes significantly to Brazil’s energy portfolio while also providing jobs related to its construction and ongoing maintenance.
Environmental Considerations
While hydroelectric dams like Engineer Souza Dias contribute positively to energy generation and flood control efforts, they also raise important environmental considerations. The creation of large reservoirs can lead to changes in local ecosystems and wildlife habitats. It is crucial for ongoing operations to balance energy production with ecological preservation efforts to mitigate adverse environmental impacts.
In response to these challenges, various strategies can be employed including habitat restoration projects and careful management of water levels to support aquatic life. Awareness campaigns can also be instrumental in educating local communities about sustainable practices related to resource use.
Conclusion
The Engineer Souza Dias Dam represents a landmark achievement in Brazilian engineering and energy production. With its multifaceted capabilities—ranging from hydroelectric power generation to flood control and navigation—the dam continues to play an essential role in supporting regional development while addressing environmental concerns associated with large-scale infrastructures. As Brazil seeks sustainable solutions for its growing energy needs amid changing climate patterns, facilities like the Engineer Souza Dias Dam will remain pivotal components of national policy discussions surrounding energy resource management.
Artykuł sporządzony na podstawie: Wikipedia (EN).