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PresentacióN1

  1. 1. Bridges<br />
  2. 2. Bridges are places connectors. They are Elements that enable communication of two sectors that are separated by rivers, mountains, and ocean.<br />Definitions<br />
  3. 3. “A bridge is a construction, usually artificial, which saves a geographic or other physical obstacle like a river, a canyon, a valley, a road, a railway, a water body, or any obstructions. The design of each bridge varies depending on its function and nature of the land on which the bridge is built.”<br />Definitions<br />
  4. 4. Itispossiblethatthefirst bridges builtbymenhavebeen placed trees and stonestocross a river.<br />Over time the techniques were improved to get to use wooden bows that allowed them to have greater resistance to the flow of rivers and could withstand more loads.<br />History<br />
  5. 5. Then they advanced to stronger bridges and covering more distance using concrete and steel known as reinforced concrete and prestressed concrete.<br />Tensors and is currently used large steel trusses to give beauty and strength to the bridge and make them more stable.<br />History<br />
  6. 6. SomeTypes of Bridges<br />
  7. 7.   Arch and VirendeelTruss Bridge <br />
  8. 8.   Arch Bridge <br />
  9. 9. Cable-stayed bridge<br />
  10. 10. Normandy Bridge is right where he entwine the Seine freshwater and saltwater canal spot between the towns of Havre and Honfleur.<br />NormandíaBridge<br />
  11. 11. Normandy Bridge is Cable-stayed Bridge. It is completely continuous; its slope is six percent and is made of prestressed concrete and steel combined with mixed head<br />NormandíaBridge<br />
  12. 12. Each A-shaped tower emerges from the ground on two legs and letting the movement then becomes a single anchor mast reaches 210 m in height.<br />NormandíaBridge<br />
  13. 13. The towers are very rigid and ensure the transmission of loads to foundations. It has a blue lacquered aluminum cornice that outlines the edge of the work, improving aerodynamics and unifies the two structures<br />NormandíaBridge<br />
  14. 14. This bridge gets a wind resistance of 300km / h.<br />NormandíaBridge<br />

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