a question about a bridge?
coooool asked:
why have suspension bridges enable engineers to design and construct bridges that span great lengths and why are the arch and beam bridges not feasible technologies foor long spanning bridges
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Filed Under Engineering |
Tagged With Beam Bridges, Bridge, Suspension Bridges
Comments
One Response to “a question about a bridge?”
Suspension bridges can span longer distances because all of the vertical gravity and traffic loads can be collected and resisted by very strong towers, where the load is directed downward directly to the foundation systems. The gently curving main cables support the roadway deck through the use of vertical suspenders, and the main cables are connected to and sometimes are cradled at the top of the main towers.
Arch bridges and beam bridges must support their own weight and are span limited based on their ability to span longer distances. These types of bridges required many vertical pier supports which are a hindrance to river navigation.