Forces On A Suspension Bridge

Explain to a friend or family member. No bridge is completely permanent.

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As the name implies suspension bridges like the golden gate bridge or brooklyn bridge suspend the roadway by cables ropes or chains from two tall towers.

Forces on a suspension bridge. Have you crossed beam bridges or suspension bridges. It is an engineers job to try and delay this destruction for as long as possible by building the strongest bridge possible. How do suspension bridges work.

Ask an adult to take you to see a suspension bridge. Go on a field trip. Suspension bridges figure 184 typically consist of two and sometimes four parallel cables separated by a distance approximately equal to the roadway deck width that they supportthese cables act as tension elements and extend from anchors at each of their ends over the tops of the intermediate towers.

These towers support the majority of the weight as compression pushes down on the suspension bridges deck and then travels up the cables ropes or chains to transfer compression to the towers. Many different forces act on bridges. Tension compression torsion and shear.

Suspension bridges are also less rigid so they can better withstand outside forces such as earthquakes. Forces in all suspension bridges the roadway hangs from massive steel cables which are draped over two towers and secured into solid concrete blocks called anchorages on. Tension is the pulling force that acts on the cables and suspenders of a suspension bridge.

If there arent any in you area take a look at these pictures of the golden gate bridge. Can you design and build your very own suspension bridge. These forces will one way or another break any bridge.

Think about pulling an elastic band you are able to see that a force is acting on the band as you pull it. See what kind of bridges you can find. With help from an adult friend or family member we bet.

Knowledge of the forces acting on bridges is crucial in this endeavor. There are four main types of internal forces acting upon suspension bridges.

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