2007-04-30 13:44:28 · 3 answers · asked by Vanessa L 1 in Science & Mathematics ➔ Engineering
To get to the other side
2007-04-30 13:50:14 · answer #1 · answered by Thomas C 6 · 0⤊ 0⤋
The idea of suspension bridges is that you can span a longer section with out supports in the middle. The Golden Gate Bridge and the George Washington bridge are two good examples here in the States. There was a program on Discovery TV that how they built a bridge that is longer that the GG Bridge, not sure but I think it is near Norway. The bridge is constantly swaying, you just don't notice it. Go to this web site:
http://www.tfhrc.gov/pubrds/julaug98/worlds.htm
It will tell you where all the longest bridges are, the longest being in Japan, took 10 years to build.
2007-04-30 21:09:06 · answer #2 · answered by John P 6 · 0⤊ 0⤋
To absorb large vibrations and withstand high winds. That's why you see them alot in quake country.
2007-04-30 20:51:55 · answer #3 · answered by Ese Loco 3 · 0⤊ 0⤋