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Nov, 14/2019
11:11am
(GMT -3)

Itaipu Dam

Phases of the construction 
 
click to enlargeAerial view of the original course of the Parana River, with the rocks of Itaipu Island, the place chosen for the construction of the main Dam.
 
click to enlargeCommencement of work on the Diversion Channel of the Parana River, used to drain the original riverbed and thus permit the construction of the main dam (1975/76).
 
click to enlargeAfter the soil and rock excavation, construction begins on the Diversion Channel Control Structure (1976/77).
 
click to enlargeOpening of the Diversion Channel, beginning of the explosion of one of the concrete arch cofferdams.
 
click to enlargeCofferdams are blasted to permit the flow of the River Parana through the Diversion Channel (1978).
 
click to enlargeThe River Parana begins flowing through the Diversion Channel (1978).
 
click to enlargeDrainage operations begin to dry the original riverbed (1979).
 
click to enlargeOriginal riverbed practically dry, permitting commencement of the civil construction of the main dam (1979).
 
click to enlargePartial view of the site at night during the peak of construction, the placement of concrete continued uninterruptedly 24 hours a day, by rotating shifts of workers.
 
click to enlargeThe civil works of the main dam advance into the riverbed (1980).
 
click to enlargeThe dam is finished, permitting the formation of the reservoir (1982).
 
click to enlargeAerial view of Itaipu after the conclusion of the job (1991).
 
click to enlargeThe president of Brazil (FHC) and Paraguay (LGM) sign the installation of two new turbines in November 13th of 2000.
 
click to enlargeThe President of Brazil (LILS) and also Paraguay (NDF) opened the two new turbines in May 21th of 2007.

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