BRIDGES

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Across
  1. 3. The Sydney Harbour Bridge is an example of what type of bridge?
  2. 5. In an arch bridge the force is distributed from the centre of the beam to what parts?
  3. 8. This is the strongest basic shape used in the construction of many bridges.
  4. 10. The Sydney ANZAC Bridge is an example of what type of bridge?
Down
  1. 1. What is the 4 letter name starting with a B of the horizontal stretch between abutments?
  2. 2. The name of the strong triangular frameworks that many bridges use for support.
  3. 4. These types of bridges have all their strength in a beam that holds a lever or hinge at a right angle.
  4. 6. Starting with a P, what do you call the objects that span between the abutments and support the bridge by diverting force to the ground.
  5. 7. Suspension bridges get all their strength from these long 'string like' joiners.
  6. 9. Many bridges have either a trapezoidal or H shaped cross section. Starting with a G what is this feature called?