Nova Avanhandava Dam

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Nova Avanhandava Dam
Relief Map of Brazil.jpg
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Location of Nova Avanhandava Dam in Brazil
Official name Barragem Nova Avanhandava
Country Brazil
Location Buritama, São Paulo
Coordinates 21°7′5.67″S50°12′4.46″W / 21.1182417°S 50.2012389°W / -21.1182417; -50.2012389 Coordinates: 21°7′5.67″S50°12′4.46″W / 21.1182417°S 50.2012389°W / -21.1182417; -50.2012389
Purpose Power, navigation
Status Operational
Opening date 1982;36 years ago (1982)
Dam and spillways
Type of dam Embankment with gravity sections
Impounds Tietê River
Height 71 m (233 ft)
Length 2,038 m (6,686 ft)
Spillway capacity 7,948 m3/s (280,700 cu ft/s)
Reservoir
Creates Nova Avanhandava Reservoir
Total capacity 2,830,000,000 m3 (2,290,000 acre⋅ft)
Surface area 210 km2 (81 sq mi)
Normal elevation 358 m (1,175 ft)
Operator(s) AES Tietê
Commission date 1982
Type Conventional
Hydraulic head 29.7 m (97 ft)
Turbines 3 x 115.8 MW (155,300 hp) Kaplan-type
Installed capacity 347.4 MW (465,900 hp)

The Nova Avanhandava Dam is an embankment dam with gravity sections on the Tietê River about 8.5 km (5.3 mi) southwest of Buritama in São Paulo state of Brazil. It supports a 347.4 megawatts (465,900 hp) hydroelectric power station. The dam was completed in 1982 and its three 115.8 megawatts (155,300 hp) Kaplan turbine-generators were commissioned by the same year. It is owned and operated by AES Tietê. The dam also provides for navigation with two ship locks. [1]

Embankment dam large artificial dam

An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil, sand, clay, or rock. It has a semi-pervious waterproof natural covering for its surface and a dense, impervious core. This makes such a dam impervious to surface or seepage erosion. Such a dam is composed of fragmented independent material particles. The friction and interaction of particles binds the particles together into a stable mass rather than by the use of a cementing substance.

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References

  1. "New Avanhandava" (in Portuguese). AES Tiete. Archived from the original on 8 November 2014. Retrieved 8 November 2014.