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Bridge Presentation


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A bridge presentation with the Tower Bridge, and a bridge from A Welsh View.

Published in: Technology
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Bridge Presentation

  1. 1. Tower Bridge London, England My color picture: (Actually of Tacoma Narrows bridge)
  2. 3. <ul><li>A Special Bridge or Subway Committee was formed in 1876 to find a solution to the river crossing problem. It opened the design of the crossing to public competition </li></ul><ul><li>Horace Jones ended up winning the competition. </li></ul>
  3. 5. Tower Information <ul><li>The tower construction lasted from 1886-1894. </li></ul><ul><li>Cost was around $3,000,000. </li></ul><ul><li>The twin hydraulic bascules (&quot;bascule&quot; comes from the French for &quot;see-saw&quot;) weigh 1,000 tons each. </li></ul><ul><li>The two towers each contain over 70,000 tons of concrete. </li></ul>
  4. 7. Function <ul><li>The function of the bridge is to allow car, buses cross the river, while allowing boats to also pass. </li></ul><ul><li>It is a bascule bridge. </li></ul><ul><li>The bridge can open and close in 5 minutes. </li></ul>
  5. 9. Tower Information Continued <ul><li>There is a walkway that is 112 feet above water level so that people did not have to wait for the bridge to lower, it was closed in 1910 </li></ul><ul><li>It was closed due to pickpockets and prostitutes. </li></ul><ul><li>It was also closed due to lack of use (people preferred to wait for the bridge and watch it). </li></ul><ul><li>It has now been reopened as part of the museum they put in there. </li></ul>
  6. 12.  <ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul>
  7. 15. The Tower Bridge is better than that.
  8. 18. Works Cited <ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> htm </li></ul>
  9. 19. THE END
  10. 20. Bus Bridge
  11. 21. Designer: Bus Driver Created 1993 Dimensions: length of a bus Type: Bus Bridge Function: movement of people through back of bus out the front.