Bridge Questions, Research and Drawings to do.

Understanding and experimenting with bridge structures.

The Beam Bridge

  1. How do bridges help the local and wider community?
  2. How do bridges help industry?
  3. What do bridges need to be to ensure that they resist the forces of Twisting, Bending, Compression and Tension?
  4. What would probably have formed the first ever beam bridge?
  5. Draw a diagram that shows a beam bridge in its most basic form.
  6. Add descriptive labels to your diagram showing the two main forces.
  7. What are the two main forces that we need to understand when we investigate beams?
  8. What is the name of the imaginary line that runs through a beam?
  9. What is the maximum length that a beam bridge can be?
  10. What do we call a beam bridge that has been joined together to span a really long distance?
  11. Produce a drawing of a truss beam.
  12. Add descriptive labels to your drawing.
  13. Name three types of beam.
  14. Produce sketches of the three main types of beam.
  15. Can you write sentences that describe the term ”Strength to Weight Ratio’’?
  16. Draw a diagram that helps to explain the term ‘Strength to Weight Ratio”.
  17. Draw a diagram that shows how a beam can be tested in the classroom.
  18. A lintel is an example of a what?
  19. Where would you see an example of a lintel?
  20. Write sentences that describe what a ”Composite beam” is.
  21. Write a sentence that describes a property of concrete.
  22. Resistance to what force is concrete most effective?
  23. What force should concrete not be subjected to?
  24. What can be used to form a composite concrete beam?
  25. What safety precautions should be taken when working with concrete?
  26. Write a paragraph that describes the Truss Beam.
  27. What is a very favourable property of the Truss Beam? Why it is used to build bridges?
  28. Draw a diagram that shows the forces that act upon a loaded structural Triangle. 
  29. What is the name of the two supports that stop an Arch Bridge was spreading out?

The Arch Bridge

  1. What material was used to make the earliest Arch Bridges?
  2. What materials are modern Arch bridges made from?
  3. What is the force being controlled in the Stone Arch Bridge?
  4. What is the most important stone in the Stone Arch Bridge?
  5. Draw a diagram of a stone arch bridge.
  6. Add descriptive labels to your diagram showing important features and the transfer of forces.
  7. Write a paragraph about a very famous Cast Iron Arch Bridge?
  8. What force is Cast iron ideally suited to transferring to earth?
  9. What property of Cast Iron makes it suitable only to be used with one type of force?
  10. Name, and draw a diagram of one other famous arch bridge?
  11. Write descriptive sentences about this famous arch bridge.

The Cantilevered Bridge

  1. What is the most famous Cantilever Bridge in the world?
  2. List 5 facts about this bridge.
  3. What is scientific principle ensures that this bridge does not fall down?
  4. Write a sentence that describes what a lever is.
  5. What do Engineers need to control to ensure a bridge does not fall down?
  6. Why would a bridge fall down?
  7. What does the word ‘Equilibrium’ mean?
  8. What does the word ‘Fulcrum’ mean, and what is another word for ‘Fulcrum’?
  9. Give three examples of levers that you may use regularly.
  10. How do levers make work easier for the engineer?
  11. What are the three different types of lever?
  12. Produce a detailed drawing that shows the difference between the three types of lever.
  13. Produce a labelled drawing of a single Cantilever; ensure the drawing shows how forces are transmitted to earth.
  14. Produce a drawing of simple Cantilever Bridge, the one in Tibet for example.
  15. Add descriptive labels to your drawing.
  16. Produce a drawing that shows how the bridge could fail.
  17. Add a descriptive sentence that says why the bridge would fail.
  18. Produce a drawing of the Forth Bridge.

The Suspension Bridge

  1. Write a sentence that clearly states what a suspension bridge is.
  2. What type of beam is used to form the roadway of a suspension bridge?
  3. State the property that this beam has that makes it ideal for use in a suspension bridge.
  4. What is used to form the huge cables of the suspension bridge?
  5. What force will this huge cable be subjected to throughout the life of the suspension bridge?
  6. What alternative word is used to describe the balance of forces in a structure?
  7. Do you think that the engineer will design a certain amount of “sway” into the design of the suspension bridge? If so why?
  8. What limiting factor should the design engineer always consider when selecting materials to make a suspension bridge?
  9. What does the engineer do to ensure that the cables are made very secure at each end?
  10. Write a paragraph about the longest suspension bridge in the world.
  11. The longest suspension bridge in the United Kingdom is the Humber Bridge, what rivers form the estuary that the bridge spans?
  12. What is total span of the Humber Bridge?
  13. How tall are the towers that support the huge cable?
  14. What is the diameter of each of the huge cables?
  15. What famous bridge disaster was the most important in the design and development of the suspension bridge?
  16. What was the engineer unable to control that resulted in the failure of the bridge?

The Cable Stay Bridge

  1. What is the main way that the Cable-stayed Bridge differs from the suspension bridge?
  2. What is the role of the tower in the construction of the cable-stayed bridge?
  3. What are the two main forces to be controlled in the cable stayed bridge, and where are they?
  4. What are the two ways that cables can be attached to the tower from the roadway of the cable-stayed bridge?
  5. Draw labelled diagrams that show the two patterns that the cables can form.
  6. Give an example of why an engineer would choose to build a cable-stayed bridge instead of a suspension bridge.
  7. Draw a diagram that shows how the compressive forces of the cable-stayed bridge are transferred to the earth.
  8. Write a paragraph about a Cable-stayed bridge that you have researched.
  9. Where would you find a cable-stayed bridge in Devon? What have you found out about that bridge?
  10. Produce sketches that show how the towers used in the cable stayed bridge may vary.