Truss Essay

This essay has a total of 544 words and 3 pages.

Truss




The definition of a truss is any of various structural frames based on the geometric
rigidity of the triangle and composed of straight members subject only to longitudinal
compression, tension, or both: functions as a beam or cantilever to support bridges,
roofs, etc. Trusses are the most commonly used structural device used in architecture
today. Trusses are used in almost every thing they are in your attic, barns, buildings,
and bridges. A truss is used in architecture and engineering, it is a supporting structure
made of beams, girders, or rods usually made of steel or wood. A truss usually takes the
form of a triangle or combination of triangles, this design is capable of carrying large
amounts of weight. Trusses are used for large spans and heavy loads, especially in bridges
and roofs. Their open construction is lighter than a beam structured platform but is just
as strong. The parts of a truss are the tie-beams, posts, rafters, and struts; the
distance over which the truss extends is called the span. A truss is formed by connecting
the ends of straight pieces of metal or wood to form a series of triangles lying in a
single plane. A truss is based on the fact that a triangle is a configuration that cannot
collapse or change its shape unless the length of one of the sides is changed. The two
most commonly used truss designs are the Howe and Warren trusses. In 1806 the first
patented bridge system, the Burr arch truss was used in the US. The Town truss was
invented in 1820, in 1840 the Howe truss was invented, and in 1841 the bowstring was
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