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    PresentacióN1 PresentacióN1 Presentation Transcript

    • Bridges
    • Bridges are places connectors. They are Elements that enable communication of two sectors that are separated by rivers, mountains, and ocean.
      Definitions
    • “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.”
      Definitions
    • Itispossiblethatthefirst bridges builtbymenhavebeen placed trees and stonestocross a river.
      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.
      History
    • Then they advanced to stronger bridges and covering more distance using concrete and steel known as reinforced concrete and prestressed concrete.
      Tensors and is currently used large steel trusses to give beauty and strength to the bridge and make them more stable.
      History
    • SomeTypes of Bridges
    •   Arch and VirendeelTruss Bridge
    •   Arch Bridge
    • Cable-stayed bridge
    • Normandy Bridge is right where he entwine the Seine freshwater and saltwater canal spot between the towns of Havre and Honfleur.
      NormandíaBridge
    • 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
      NormandíaBridge
    • 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.
      NormandíaBridge
    • 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
      NormandíaBridge
    • This bridge gets a wind resistance of 300km / h.
      NormandíaBridge