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[[File:NewYorkBuildersLunchBreak.jpg|400px|right|Lunch for workers atop a steel beam 800 feet above ground, during construction of the RCA Building in Rockefeller Center, New York|link=https://en.wikipedia.org/wiki/Lunch_atop_a_Skyscraper.]]
[[File:NewYorkBuildersLunchBreak.jpg|400px|right|Lunch for workers atop a steel beam 800 feet above ground, during construction of the RCA Building in Rockefeller Center, New York|link=https://en.wikipedia.org/wiki/Lunch_atop_a_Skyscraper.]]
The word [https://en.wikipedia.org/wiki/Beam_%28structure%29 '''beam'''] describes a basic bridge design and is also an old word for '''tree''' - such as found in [https://en.wikipedia.org/wiki/Hornbeam '''Hornbeam'''] or [https://en.wikipedia.org/wiki/Whitebeam '''Whitebeam'''] for example.
The word [https://en.wikipedia.org/wiki/Beam_%28structure%29 '''beam'''] describes a basic bridge design and is also an old word for '''tree''' - such as found in [https://en.wikipedia.org/wiki/Hornbeam '''Hornbeam'''] or [https://en.wikipedia.org/wiki/Whitebeam '''Whitebeam'''] for example. The first bridges might have been just logs of wood laid across a stream.
 
 
Any bridge which is based on pieces of material just lying across a gap is called a [http://en.wikipedia.org/wiki/Beam_bridge '''Beam Bridge''']. They can be slabs of stone, concrete or steel girders. They can be made from a single piece of material or built up from different pieces - sometimes to build open frameworks in the form of a beam.They can be solid or hollow.
 
 
Many footbridges, railway bridges and motorway bridges are [http://en.wikipedia.org/wiki/Beam_bridge '''Beam Bridges'''].




[[Category:Bridges and Beams]]
[[Category:Bridges and Beams]]

Revision as of 21:05, 31 December 2015

Lunch for workers atop a steel beam 800 feet above ground, during construction of the RCA Building in Rockefeller Center, New York

The word beam describes a basic bridge design and is also an old word for tree - such as found in Hornbeam or Whitebeam for example. The first bridges might have been just logs of wood laid across a stream.


Any bridge which is based on pieces of material just lying across a gap is called a Beam Bridge. They can be slabs of stone, concrete or steel girders. They can be made from a single piece of material or built up from different pieces - sometimes to build open frameworks in the form of a beam.They can be solid or hollow.


Many footbridges, railway bridges and motorway bridges are Beam Bridges.

Pages in category 'Beams'

The following 6 pages are in this category, out of 6 total.

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Media in category 'Beams'

The following 32 files are in this category, out of 32 total.

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