2015-07-21
444
I. Decide whether the following statements are true or false according to the text:
1. The two cantilevers are joined together in the form of an arch.
2 The span length of cantilever bridges is 1000 feet.
3. Each cantilever has an anchor arm, a cantilever arm and a suspended span.
4. Most cantilever bridges have one center span and two anchor spans.
5. Two anchor arms and suspended span make up the centre span.
6. Suspension bridges are the most impressive type of bridges because of their huge arches.
7. These bridges have a roadway below the curve of the arch.
8. Suspension bridges require only two piers each of which supports as tower.
9. A suspension bridge has at least four main cables.
II. Answer the questions:
1. What do cantilever bridges consist of?
2. How are the two cantilevers joined together?
3. What are the two sections of each cantilever?
4. How are the free ends joined together?
5. What does a center span consist of?
6. What are cantilever bridges made of?
7. Why are suspension bridges considered to be the most impressive type of bridges?
8. What is the length of the main span?
9. Where are suspension bridges built?
10. How many cables does a suspension bridge have?
