Join now! Do you need to remove the ads? The difference is how the cables are associated with the towers. In suspension bridges, there are major suspension cables and minor suspension cables that ride freely across the towers, transferring the loads to the anchorages at both ends. In cable-stayed bridges, they do not need anchorages. The cables are attached to the towers, which alone bear the load. First deck; 2. Then cable; 3.
Cable stayed bridges have a competitive span range of m to m, with a deck span: depth ratio of to Suspension bridges, however, have a competitive span range of m to m, with a deck span: deck ratio of to So the length of the bridge range is the key one there are different elements. As an extra focal point for you, the main difference between cable-stayed bridges and suspension bridges is that the cables in a cable-stayed bridge are mechanically stressed prestressed , while a suspension bridges cables are not.
Suspension bridge is required two cables strung on the high tower and on each side of the area to be a bridge. Then after the roadway is hung on vertical suspenders attached to the suspension cables. Cable stayed bridge is similar to the suspension bridge, but It is different, in this bridge support cables are directly tied with support towers.
It allows cantilever construction from inside to out easily. Cable stayed bridges may look similar to suspension bridges. The suspension bridge requires the building of suspension cables across the entire span before the deck installation begins. The cable-stayed bridge has the advantage of not requiring massive anchorages at the ends of the cables.
Suspension bridges require anchorages strong enough for the tension, or angular pulling, on the suspension cables. Solid rock or a large mass of stable concrete is the preferred geological base for an anchorage. These massive anchorages carry the entire weight of the bridge, and their weight must exceed the combined weight of the bridge and the vehicular load. One of the newest large suspension bridges in the U. The new bridge is the fifth-longest suspension bridge in the U.
Cable-stayed designs dominate most other large bridge projects. A newly proposed cable-stayed bridge called the John James Audubon Bridge would include a 2. Seminar about structural types of bridges. The SlideShare family just got bigger. Home Explore Login Signup.
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They are suitable only for short spans but can used for larger crossings by adding additional piers. Forces: As the bridge is loaded, by traffic for example, the beam bends which causes the top surface to be compressed and the bottom surface to be stretched or put in tension. Advantages: they are easy to build and inexpensive relative to other bridge types so are very common. Disadvantages: they have a limited span and do not allow large boats or vehicles to pass underneath. They are very strong and can support heavy loads.
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