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en.wikipedia.org/wiki/Beam_bridge

Beam bridges are the simplest structural forms for bridge spans supported by an abutment or pier at each end. No moments are transferred throughout the ...

science.howstuffworks.com/engineering/civil/bridge3.htm

The Beam Bridge - Bridges support tremendous weight, span huge distances and all the while withstand the greatest forces of nature. Find out about these ...

www.design-technology.org/beambridges.htm

Beam bridges. A beam or "girder" bridge is the simplest kind of bridge. In the past they may have taken the form of a log across a stream but today they are more ...

www.historyofbridges.com/facts-about-bridges/beam-bridge

Beam bridge is the oldest and the simplest type of the bridge. It appeared when the first tree fell over the stream and a human crossed it. Today we still make ...

www.warwickallen.com/bridges/BeamBridges.htm

Beam bridges. A beam or "girder" bridge is the simplest kind of bridge. In the past they may have taken the form of a log across a stream but today they are more ...

www.brighthubengineering.com/structural-engineering/62873-what-are-beam-bridges

Feb 3, 2014 ... Simple beam bridges may use wood beams, but modern beam bridges use light and strong materials. Construction of a multi-beam bridge ...

easyscienceforkids.com/beam-bridges-fun-facts

Beam Bridges is made in simple design since it is only supported by a pier.The world's longest bridge is also a beam bridge.

www.britannica.com/technology/beam-bridge

The beam bridge is the most common bridge form. A beam carries vertical loads by bending. As the beam bridge bends, it undergoes horizontal compression on ...

www.pbs.org/wgbh/buildingbig/bridge/basics.html

There are more than half a million bridges in the United States, and you rely on them every day to ... This is why beam bridges rarely span more than 250 feet.