Alqueva Dam

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Alqueva Dam

  1. 1. Alqueva Dam
  2. 2. Alqueva DamIt’s a portuguese dam andit’s located on the GuadianaRiver in the Alentejo region.It’s the biggest dam inPortugal.The main objectives of thisdam are:• water supply;• Hydroelectrical power;• Irrigation;• Flood prevention.
  3. 3. Alqueva DamThis is an arch dam , one of the typesof concrete dam.They are built in tight valleys and arevery strong;They are thinner than any other type ofdam, so it require less constructionmaterial.There is another type of dam:embankment dams, formed from soiland rocks.
  4. 4. Alqueva DamThe construction begins in 1975but two years later stops;The works restarted in 1995, whenEmpresa de Desenvolvimento eInfra-estruturas do Alqueva (EDIA)was created;The dam started to fill up in 2002and Alqueva hydroelectric centralopened in 2004.
  5. 5. Alqueva DamIn 2002, the Luz village wassubmerged by water whenthe dam gates were closedand the Alqueva dam startedto fill up.
  6. 6. Alqueva Dam The dam has an area of 250.000 square meters (m2 ); It has a length of 83 Km and a total capacity over 4 trillion liters (l)
  7. 7. Alqueva DamIt had a maximum numberof 450 employees;It was used:• 120.500 cubic meters (m3 ) of concrete;• 11.400 tonnes (t) of steel;• And it was spent 2.5 billions euros.
  8. 8. Alqueva DamIn this region we canfish, hunt or sail.
  9. 9. Andreia Pintonº 39755

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