Cantilever System

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Cantilever System

 

in structural mechanics, a system (structural design) in which the cantilever is the basic load-bearing element. Cantilever systems are used primarily in the form of cantilever beams, cantilever-hinged girders, or cantilever-girder trusses. Cantilever-arch systems are widespread in bridge building. Multispan cantilever-girder systems are the most efficient. Their advantage over continuous one-span beams is their lighter structural weight. In comparison with continuous multispan beams, cantilever-arch systems are less sensitive to uneven setting of supports and effects of temperature. Multispan cantilever-arch systems are used over the largest spans of girder bridges (for example, the Quebec Bridge with a span of 549 m in Canada and the Firth of Forth Bridge with average spans of 528 m in Scotland).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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