Alquevadam
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Alquevadam

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Alquevadam Presentation Transcript

  • 1. Alqueva Dam
  • 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. 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. 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. Alqueva DamIn 2002, the Luz village wassubmerged by water whenthe dam gates were closedand the Alqueva dam startedto fill up.
  • 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. 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. Alqueva DamIn this region we canfish, hunt or sail.
  • 9. Andreia Pintonº 39755