Bridges - PowerPoint PPT Presentation

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Bridges

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  1. Bridges By: Stephanie W. Courtney S. Ethan K.

  2. FIVE TYPES OF BRIDGES The Beam bridge Has a horizontal beam that is supported by piers(a supporting structure at the connection of connecting spans on a bridge)

  3. FIVE TYPES OF BRIDGES CONT. The Truss bridge Has triangles to keep the structure strong.

  4. FIVE TYPES OF BRIDGES CONT. The Arch bridge Naturally made. The ancient Romans built them from stone. Now they are buit from steel or concrete.

  5. FIVE TYPES OF BRIDGES CONT. The suspension bridge Has a truss system underneath the roadway to stop the twisting and turning of the bridge.

  6. FIVE TYPES OF BRIDGES CONT. Cable-stayed bridges This bridge requires less cable, and the towers supporting the cables are shorter.

  7. AMBASSADOR BRIDGE • This is a suspention bridge • It is privatly owned • It is in detroit • It is the longest supended central span in the world

  8. Martin Luther King bridge The bridge is in St Louis Formerly known as the veterans bridge The bridge is a cantilever truss bridge

  9. The bridge of america The bridge connects the north and south american land masses until the opening of the centennial bridge The bridge is in panama

  10. Bridge of Sighs (Cambridge) The bridge is covered and belongs to st jhons college The bridge crosses the river cam between the colleges third court and new court

  11. Half Chance Iron Bridge This bridge is also known as half chance bridge The bridge is located in alabama The bridge is over chickasaw bogue creek

  12. Sources http://www.ambassadorbridge.com/gallery/c3.jpg http://en.wikipedia.org/wiki/Ambassador_Bridgehttp://www.ambassadorbridge.com/gallery/c3.jpghttp://en.wikipedia.org/wiki/Martin_Luther_King_Bridge_(St._Louis)http://en.wikipedia.org/wiki/Bridge_of_the_Americashttp://en.wikipedia.org/wiki/Bridge_of_Sighs_(Cambridge)http://en.wikipedia.org/wiki/Half_Chance_Iron_Bridge