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A beam or "girder" bridge is the simplest and most inexpensive kind of bridge. According to Craig Finley of Finley/McNary Engineering, "they're basically the vanillas of the bridge world."
In its most basic form, a beam bridge consists of a horizontal beam that is supported at each end by piers. The weight of the beam pushes straight down on the piers.
The beam itself must be strong so that it doesn't bend under its own weight and the added weight of crossing traffic. When a load pushes down on the beam, the beam's top edge is pushed together (compression) while the bottom edge is stretched (tension).
The farther apart its supports, the weaker a beam bridge gets. As a result, beam bridges rarely span more than 250 feet. This doesn't mean beam bridges aren't used to cross great distances-it only means that they must be daisy-chained together, creating what's known in the bridge world as a "continuous span."
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What is the difference between the Suspension bridge and the Beam bridge?
The different between suspension bridge and beam bridge are beam bridge are for short distance but suspension bridge for long distance. Beam bridge are used for highway passes and suspension bridge for wide waterway passes.
What is the longest beam bridge in the world and how long is it?
Danyang-Kunshan Grand Bridge is the longest beam bridge in the world and is approx 164.8 kilometres long.
What type of beam bridge is the Chesapeake bay bridge tunnel?
beam and tunnel
What is an example of a beam bridge?
An example of a beam bridge is Chesapeake Bay bridge-tunnel Site: http://www.pbs.org/wgbh/buildingbig/bridge/index.html
What type of bridge is the Coronado bridge?
beam bridge
What is the purpose of a beam?
Well with a beam it allows the bridge to support the bridge
Where is the tension in the beam bridge?
bottom of the beam
Main parts of a beam bridge?
beam
What state was the first beam bridge built?
The first beam bridge was built in America
Is the Banpo Bridge a beam bridge?
The Banpo Bridge is a girder bridge.
What is the difference between beam bridge and an arch bridge?
Arch bridge: the span beam of bridge is the shape of an arch & the load is diverted in compressive method. Beam bridge: the shape of beam span is of simply supported or continuous. here the load is diverted through bending compression method.
What type of bridge is the Tower bridge in London?
beam bridge
