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Investigating bridges presentation sr
 

Investigating bridges presentation sr

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    Investigating bridges presentation sr Investigating bridges presentation sr Presentation Transcript

    • Investigating Bridges
    • Types of bridges
    • BeamBeam - The simplest type of bridge. It couldjust be two supports holding a plank of woodor it could be a 12 pillar bridge! Beam Bridge
    • Suspension/Cable-stayedSuspension/Cable-stayed – A bridge supported by pillars and cables. On the deck there are towers. Cables hang from those towers and are attached to the bridge. This also supports the bridge. Suspension Bridge Cable Stayed Bridge
    • ArchArch – A bridge where the weight is carried out on two curved paths forming an arch underneath the bridge.
    • Cantilever Cantilever – A bridge where the pillarssupport planks which then support the actualbridge.
    • WonderingsWhat is the longest bridge in the world? –How much did it cost to build? – Why was itbuilt? – How much weight can it support? –How long is it?What is the longest bridge in Switzerland?What is the shortest bridge in the world?When was the first bridge built? – What is itcalled?
    • ConnectionsThe Millau Viaduct is a cable stayed bridge.I have been on a TON of beam bridges andcable stayed bridges. All the bridges we have built have been beambridgesThe golden gate bridge is a suspension bridge.
    • A-ha Moments When we built bridges out of newspaper thegroup that held the most weight on theirbridge used pillars underneath their bridge. When we watched the video of peoplebuilding a bridge out of ropes made out ofgrass. When we researched the Millau Viaduct, it isthe tallest bridge in the world (taller then theEifel Tower)!!!!
    • Thanks for Watching!